Analytical Chemistry - Important Short Questions and Answers

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Class 12 - Chemistry - Analytical Chemistry - Important Short Questions and Answers

Class 12 FBISEChemistryAnalytical Chemistry

Analytical Chemistry - MCQs

Class 12 - Chemistry - Analytical Chemistry - MCQs

Class 12 FBISEChemistryAnalytical Chemistry

Analytical Chemistry - Exercise

Class 12 - Chemistry - Analytical Chemistry - Exercise

Class 12 FBISEChemistryAnalytical Chemistry

Analytical Chemistry - Notes

Class 12 - Chemistry - Analytical Chemistry - Notes

Class 12 FBISEChemistryAnalytical Chemistry

Environmental Chemistry - Important Short Questions and Answers

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Class 12 - Chemistry - Environmental Chemistry - Important Short Questions and Answers

Class 12 FBISEChemistryEnvironmental Chemistry

Environmental Chemistry - MCQs

Class 12 - Chemistry - Environmental Chemistry - MCQs

Class 12 FBISEChemistryEnvironmental Chemistry

Environmental Chemistry - Exercise

Class 12 - Chemistry - Environmental Chemistry - Exercise

Class 12 FBISEChemistryEnvironmental Chemistry

Environmental Chemistry - Notes

Class 12 - Chemistry - Environmental Chemistry - Notes

Class 12 FBISEChemistryEnvironmental Chemistry

Industrial Chemistry - Important Short Questions and Answers

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Class 12 - Chemistry - Industrial Chemistry - Important Short Questions and Answers

Class 12 FBISEChemistryIndustrial Chemistry

Industrial Chemistry - MCQs

Class 12 - Chemistry - Industrial Chemistry - MCQs

Class 12 FBISEChemistryIndustrial Chemistry

Industrial Chemistry - Exercise

Class 12 - Chemistry - Industrial Chemistry - Exercise

Class 12 FBISEChemistryIndustrial Chemistry

Industrial Chemistry - Notes

Class 12 - Chemistry - Industrial Chemistry - Notes

Class 12 FBISEChemistryIndustrial Chemistry

Biochemistry - Important Short Questions and Answers

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Class 12 - Chemistry - Biochemistry - Important Short Questions and Answers

Class 12 FBISEChemistryBiochemistry

Biochemistry - MCQs

Class 12 - Chemistry - Biochemistry - MCQs

Class 12 FBISEChemistryBiochemistry

Biochemistry - Exercise

Class 12 - Chemistry - Biochemistry - Exercise

Class 12 FBISEChemistryBiochemistry

Biochemistry - Notes

Class 12 - Chemistry - Biochemistry - Notes

Class 12 FBISEChemistryBiochemistry

Aldehydes and Ketones - Important Short Questions and Answers

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Class 12 - Chemistry - Aldehydes and Ketones - Important Short Questions and Answers

Class 12 FBISEChemistryAldehydes and Ketones

Aldehydes and Ketones - MCQs

Class 12 - Chemistry - Aldehydes and Ketones - MCQs

Class 12 FBISEChemistryAldehydes and Ketones

Aldehydes and Ketones - Exercise

Class 12 - Chemistry - Aldehydes and Ketones - Exercise

Class 12 FBISEChemistryAldehydes and Ketones

Aldehydes and Ketones - Notes

Class 12 - Chemistry - Aldehydes and Ketones - Notes

Class 12 FBISEChemistryAldehydes and Ketones

Alcohol, Phenol and Ether - Important Short Questions and Answers

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Class 12 - Chemistry - Alcohol, Phenol and Ether - Important Short Questions and Answers

Class 12 FBISEChemistryAlcohols Phenols and Ethers

Alcohol, Phenol and Ether - Exercise

Class 12 - Chemistry - Alcohol, Phenol and Ether - Exercise

Class 12 FBISEChemistryAlcohols Phenols and Ethers

Alcohol, Phenol and Ether - Notes

Class 12 - Chemistry - Alcohol, Phenol and Ether - Notes

Class 12 FBISEChemistryAlcohols Phenols and Ethers

Alkyl Halides and Amines - Important Short Questions and Answers

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Class 12 - Chemistry - Alkyl Halides and Amines - Important Short Questions and Answers

Class 12 FBISEChemistryAlkyl Halides and Amines

Alkyl Halides and Amines - MCQs

Class 12 - Chemistry - Alkyl Halides and Amines - MCQs

Class 12 FBISEChemistryAlkyl Halides and Amines

Alkyl Halides and Amines - Exercise

Class 12 - Chemistry - Alkyl Halides and Amines - Exercise

Class 12 FBISEChemistryAlkyl Halides and Amines

Alkyl Halides and Amines - Notes

Class 12 - Chemistry - Alkyl Halides and Amines - Notes

Class 12 FBISEChemistryAlkyl Halides and Amines

Hydrocarbons - Important Short Questions and Answers

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Class 12 - Chemistry - Hydrocarbons - Important Short Questions and Answers

Class 12 FBISEChemistryHydrocarbons

Hydrocarbons - MCQs

Class 12 - Chemistry - Hydrocarbons - MCQs

Class 12 FBISEChemistryHydrocarbons

Hydrocarbons - Exercise

Class 12 - Chemistry - Hydrocarbons - Exercise

Class 12 FBISEChemistryHydrocarbons

Hydrocarbons - Notes

Class 12 - Chemistry - Hydrocarbons - Notes

Class 12 FBISEChemistryHydrocarbons

Organic Compounds - Important Short Questions and Answers

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Class 12 - Chemistry - Organic Compounds - Important Short Questions and Answers

Class 12 FBISEChemistryOrganic Compounds

Organic Compounds - MCQs

Class 12 - Chemistry - Organic Compounds - MCQs

Class 12 FBISEChemistryOrganic Compounds

Organic Compounds - Exercise

Class 12 - Chemistry - Organic Compounds - Exercise

Class 12 FBISEChemistryOrganic Compounds

Organic Compounds - Notes

Class 12 - Chemistry - Organic Compounds - Notes

Class 12 FBISEChemistryOrganic Compounds

d and f Block Elements - Important Short Questions and Answers

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Class 12 - Chemistry - d and f Block Elements - Important Short Questions and Answers

Class 12 FBISEChemistryd and f Block Elements

d and f Block Elements - MCQs

Class 12 - Chemistry - d and f Block Elements - MCQs

Class 12 FBISEChemistryd and f Block Elements

d and f Block Elements - Exercise

Class 12 - Chemistry - d and f Block Elements - Exercise

Class 12 FBISEChemistryd and f Block Elements

d and f Block Elements - Notes

Class 12 - Chemistry - d and f Block Elements - Notes

Class 12 FBISEChemistryd and f Block Elements

s and p Block Elements - Important Short Questions and Answers

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Class 12 - Chemistry - s and p Block Elements - Important Short Questions and Answers

Class 12 FBISEChemistrys and p Block Elements

s and p Block Elements - MCQs

Class 12 - Chemistry - s and p Block Elements - MCQs

Class 12 FBISEChemistrys and p Block Elements

s and p Block Elements - Exercise

Class 12 - Chemistry - s and p Block Elements - Exercise

Class 12 FBISEChemistrys and p Block Elements

s and p Block Elements - Notes

Class 12 - Chemistry - s and p Block Elements - Notes

Class 12 FBISEChemistrys and p Block Elements

Electrochemistry - Exercise

Class 11 - Chemistry - Electrochemistry - Exercise

Class 11 FBISEChemistryElectrochemistry

Electrochemistry - Notes

Class 11 - Chemistry - Electrochemistry - Notes

Class 11 FBISEChemistryElectrochemistry

Thermochemistry - Exercise

Class 11 - Chemistry - Thermochemistry - Exercise

Class 11 FBISEChemistryThermochemistry

Thermochemistry - Notes

Class 11 - Chemistry - Thermochemistry - Notes

Class 11 FBISEChemistryThermochemistry

Solutions and Colloids - Exercise

Class 11 - Chemistry - Solutions and Colloids - Exercise

Class 11 FBISEChemistrySolutions and Colloids

Solutions and Colloids - Notes

Class 11 - Chemistry - Solutions and Colloids - Notes

Class 11 FBISEChemistrySolutions and Colloids

Chemical Kinetics - Exercise

Class 11 - Chemistry - Chemical Kinetics - Exercise

Class 11 FBISEChemistryChemical Kinetics

Chemical Kinetics - Notes

Class 11 - Chemistry - Chemical Kinetics - Notes

Class 11 FBISEChemistryChemical Kinetics

Acids, Bases, and Salts - Exercise

Class 11 - Chemistry - Acids, Bases, and Salts - Exercise

Class 11 FBISEChemistryAcids, Bases and Salts

Acids, Bases, and Salts - Notes

Class 11 - Chemistry - Acids, Bases, and Salts - Notes

Class 11 FBISEChemistryAcids, Bases and Salts

Chemical Equilibrium - Exercise

Class 11 - Chemistry - Chemical Equilibrium - Exercise

Class 11 FBISEChemistryChemical Equilibrium

Chemical Equilibrium - Notes

Class 11 - Chemistry - Chemical Equilibrium - Notes

Class 11 FBISEChemistryChemical Equilibrium

State of Matter III - Solids - Exercise

Class 11 - Chemistry - State of Matter III - Solids - Exercise

Class 11 FBISEChemistryState of Matter III - Solids

State of Matter III - Solids - Notes

Class 11 - Chemistry - State of Matter III - Solids - Notes

Class 11 FBISEChemistryState of Matter III - Solids

State of Matter II - Liquids - Exercise

Class 11 - Chemistry - State of Matter II - Liquids - Exercise

Class 11 FBISEChemistryState of Matter II - Liquids

State of Matter II - Liquids - Notes

Class 11 - Chemistry - State of Matter II - Liquids - Notes

Class 11 FBISEChemistryState of Matter II - Liquids

Atomic Structure - Exercise

Class 11 - Chemistry - Atomic Structure - Exercise

Class 11 FBISEChemistryAtomic Structure

Atomic Structure - Notes

Class 11 - Chemistry - Atomic Structure - Notes

Class 11 FBISEChemistryAtomic Structure

Stoichiometry - Exercise

Class 11 - Chemistry - Stoichiometry - Exercise

Class 11 FBISEChemistryStoichiometry

Stoichiometry - Notes

Class 11 - Chemistry - Stoichiometry - Notes

Class 11 FBISEChemistryStoichiometry

Chemical Reactivity - Review Questions

Class 09 Chemistry - Chapter 8 - Chemical Reactivity - Review Questions. Easy notes containing exercise and important questions of the chapter.

Class 09 FBISEChemistryChemical Reactivity

Chemical Reactivity - Notes

Class 09 Chemistry - Chapter 8 - Chemical Reactivity - Notes. Easy notes containing exercise and important questions of the chapter.

Class 09 FBISEChemistryChemical Reactivity

Electrochemistry - Review Questions

Class 09 Chemistry - Chapter 7 - Electrochemistry - Review Questions. Easy notes containing exercise and important questions of the chapter.

Class 09 FBISEChemistryElectrochemistry

Electrochemistry - Notes

Class 09 Chemistry - Chapter 7 - Electrochemistry - Notes. Easy notes containing exercise and important questions of the chapter.

Class 09 FBISEChemistryElectrochemistry

Solutions - Review Questions

Class 09 Chemistry - Chapter 6 - Solutions - Review Questions. Easy notes containing exercise and important questions of the chapter.

Class 09 FBISEChemistrySolutions

Solutions - Notes

Class 09 Chemistry - Chapter 6 - Solutions - Notes. Easy notes containing exercise and important questions of the chapter.

Class 09 FBISEChemistrySolutions

Physical States of Matter - Review Questions

Class 09 Chemistry - Chapter 5 - Physical States of Matter - Review Questions. Easy notes containing exercise and important questions of the chapter.

Class 09 FBISEChemistryPhysical States of Matter

Physical States of Matter - Notes

Class 09 Chemistry - Chapter 5 - Physical States of Matter - Notes. Easy notes containing exercise and important questions of the chapter.

Class 09 FBISEChemistryPhysical States of Matter

Structure of Molecules - Review Questions

Class 09 Chemistry - Chapter 4 - Structure of Molecules - Review Questions. Easy notes containing exercise and important questions of the chapter.

Class 09 FBISEChemistryStructure of Molecules

Structure of Molecules - Notes

Class 09 Chemistry - Chapter 4 - Structure of Molecules - Notes. Easy notes containing exercise and important questions of the chapter.

Class 09 FBISEChemistryStructure of Molecules

Periodic Table and Periodicity of Properties - Review Questions

Class 09 Chemistry - Chapter 3 - Periodic Table & Periodicity of Properties - Review Questions. Easy notes containing exercise and important questions of the chapter.

Class 09 FBISEChemistryPeriodic Table and Periodicity of Properties

Periodic Table and Periodicity of Properties - Notes

Class 09 Chemistry - Chapter 3 - Periodic Table & Periodicity of Properties - Notes. Easy notes containing exercise and important questions of the chapter.

Class 09 FBISEChemistryPeriodic Table and Periodicity of Properties

Structure of Atoms - Review Questions

Class 09 Chemistry - Chapter 2 - Structure of Atoms - Review Questions. Easy notes containing exercise and important questions of the chapter.

Class 09 FBISEChemistryStructure of Atoms

Structure of Atoms - Notes

Class 09 Chemistry - Chapter 2 - Structure of Atoms - Notes. Easy notes containing exercise and important questions of the chapter.

Class 09 FBISEChemistryStructure of Atoms

Fundamentals of Chemistry - Review Questions

Class 09 Chemistry - Chapter 1 - Fundamentals of Chemistry - Review Questions. Easy notes containing exercise and important questions of the chapter.

Class 09 FBISEChemistryFundamentals of Chemistry

Fundamentals of Chemistry - Notes

Class 09 Chemistry - Chapter 1 - Fundamentals of Chemistry - Notes. Easy notes containing exercise and important questions of the chapter.

Class 09 FBISEChemistryFundamentals of Chemistry

Important Questions from Past FBISE Papers - Important Subjective Questions from FBISE Past Papers

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Class 10 - Chemistry - Important Questions from Past FBISE Papers - Important Subjective Questions from FBISE Past Papers

Class 10 FBISEChemistryImportant Questions from Past FBISE Papers

Important Questions from Past FBISE Papers - Important Objective Questions from FBISE Past Papers

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Class 10 - Chemistry - Important Questions from Past FBISE Papers - Important Objective Questions from FBISE Past Papers

Class 10 FBISEChemistryImportant Questions from Past FBISE Papers

Chemical Industries - Review Questions

Class 10 - Chemistry - Chemical Industries - Review Questions

Class 10 FBISEChemistryChemical Industries

Chemical Industries - MCQs

Class 10 - Chemistry - Chemical Industries - MCQs

Class 10 FBISEChemistryChemical Industries

Chemical Industries - Notes

Class 10 - Chemistry - Chemical Industries - Notes

Class 10 FBISEChemistryChemical Industries

Water - Review Questions

Class 10 - Chemistry - Water - Review Questions

Class 10 FBISEChemistryWater

Water - MCQs

Class 10 - Chemistry - Water - MCQs

Class 10 FBISEChemistryWater

Water - Notes

Class 10 - Chemistry - Water - Notes

Class 10 FBISEChemistryWater

The Atmosphere - Review Questions

Class 10 - Chemistry - The Atmosphere - Review Questions

Class 10 FBISEChemistryThe Atmosphere

A method used to prevent rusting in ships and underground pipelines involves connecting the iron to a block of a more active metal such as magnesium. This method is called cathodic protection. How many moles of magnesium are present in 1 billion (1 x 109) atoms of magnesium?

Chemistry - Fundamentals of Chemistry - A method used to prevent rusting in ships and underground pipelines involves connecting the iron to a block of a more active metal such as magnesium. This method is called cathodic protection. How many moles of magnesium are present in 1 billion (1 x 109) atoms of magnesium?

ChemistryFundamentals of Chemistry

Aspirin is a compound that contains carbon, hydrogen, and oxygen. It is used as a painkiller. An aspirin tablet contains 25 x 1030 molecules. How many moles of this compound are present in the tablet?

Chemistry - Fundamentals of Chemistry - Aspirin is a compound that contains carbon, hydrogen, and oxygen. It is used as a painkiller. An aspirin tablet contains 25 x 1030 molecules. How many moles of this compound are present in the tablet?

ChemistryFundamentals of Chemistry

Calculate number of moles in the given number of molecules.

Chemistry - Fundamentals of Chemistry - Calculate number of moles in the given number of molecules.

ChemistryFundamentals of Chemistry

Calculate number of moles in the given number of atoms.

Chemistry - Fundamentals of Chemistry - Calculate number of moles in the given number of atoms.

ChemistryFundamentals of Chemistry

Calculate number of molecules in given moles of a substance

Chemistry - Fundamentals of Chemistry - Calculate number of molecules in given moles of a substance

ChemistryFundamentals of Chemistry

Calculate number of atoms in given moles of a substance:

Chemistry - Fundamentals of Chemistry - Calculate number of atoms in given moles of a substance:

ChemistryFundamentals of Chemistry

Before the digestive systems is X-rayed, people are required to swallow a suspension of Barium Sulphate (BaSO4). Calculate mass of one mole of BaSO4

Chemistry - Fundamentals of Chemistry - Before the digestive systems is X-rayed, people are required to swallow a suspension of Barium Sulphate (BaSO4). Calculate mass of one mole of BaSO4

ChemistryFundamentals of Chemistry

A spoon of table salt (NaCl) contains 12.5 grams. Calculate the number of moles it contains.

Chemistry - Fundamentals of Chemistry - A spoon of table salt (NaCl) contains 12.5 grams. Calculate the number of moles it contains.

ChemistryFundamentals of Chemistry

The molecular formula of a compound used for bleaching hair is H2O2

Chemistry - Fundamentals of Chemistry - The molecular formula of a compound used for bleaching hair is H2O2

ChemistryFundamentals of Chemistry

How many moles of each of the following substance are present:

Chemistry - Fundamentals of Chemistry - How many moles of each of the following substance are present:

ChemistryFundamentals of Chemistry

When natural gas burns, CO2 is formed. If 0.25 moles of CO2 is formed, what mass of CO2 is produced? 

Chemistry - Fundamentals of Chemistry - When natural gas burns, CO2 is formed. If 0.25 moles of CO2 is formed, what mass of CO2 is produced?

ChemistryFundamentals of Chemistry

Calculate the mass of ozone if 9.05 moles of ozone are formed in a storm? 

Chemistry - Fundamentals of Chemistry - Calculate the mass of ozone if 9.05 moles of ozone are formed in a storm?

ChemistryFundamentals of Chemistry

Calculate the mass of one mole of

Chemistry - Fundamentals of Chemistry - Calculate the mass of one mole of

ChemistryFundamentals of Chemistry

Calculate the molar masses of the following:

Chemistry - Fundamentals of Chemistry - Calculate the molar masses of the following:

ChemistryFundamentals of Chemistry

Differentiate between the terms gram atomic mass, gram molecular mass, and gram formula mass? 

Chemistry - Fundamentals of Chemistry - Differentiate between the terms gram atomic mass, gram molecular mass, and gram formula mass?

ChemistryFundamentals of Chemistry

Define gram formula mass.

Chemistry - Fundamentals of Chemistry - Define gram formula mass.

ChemistryFundamentals of Chemistry

Define gram molecular mass.

Chemistry - Fundamentals of Chemistry - Define gram molecular mass.

ChemistryFundamentals of Chemistry

What is the mass of 6.02 x 1023 molecules of glucose? Is this mass of glucose molecules equal to molecular mass of glucose?

Chemistry - Fundamentals of Chemistry - What is the mass of 6.02 x 1023 molecules of glucose? Is this mass of glucose molecules equal to molecular mass of glucose?

ChemistryFundamentals of Chemistry

What is the mass of one mole of water molecules? Is the mass of water molecules equal to molecular mass of water? 

Chemistry - Fundamentals of Chemistry - What is the mass of one mole of water molecules? Is the mass of water molecules equal to molecular mass of water?

ChemistryFundamentals of Chemistry

Is gram atomic mass of C-atoms 12 g?

Chemistry - Fundamentals of Chemistry - Is gram atomic mass of C-atoms 12 g?

ChemistryFundamentals of Chemistry

Define gram atomic mass. 

Chemistry - Fundamentals of Chemistry - Define gram atomic mass.

ChemistryFundamentals of Chemistry

What is the mass of 6.02 x 1023 Sulphur atoms? Is this mass of Sulphur atoms equal to its atomic mass?

Chemistry - Fundamentals of Chemistry - What is the mass of 6.02 x 1023 Sulphur atoms? Is this mass of Sulphur atoms equal to its atomic mass?

ChemistryFundamentals of Chemistry

How many atoms are there in 1 mole of Sulphur atoms?

Chemistry - Fundamentals of Chemistry - How many atoms are there in 1 mole of Sulphur atoms?

ChemistryFundamentals of Chemistry

What are the molar masses of carbon and Sulphur? 

Chemistry - Fundamentals of Chemistry - What are the molar masses of carbon and Sulphur?

ChemistryFundamentals of Chemistry

Define molar mass.

Chemistry - Fundamentals of Chemistry - Define molar mass.

ChemistryFundamentals of Chemistry

Does a mole of carbon atoms have a different mass than a mole of Sulphur atoms? 

Chemistry - Fundamentals of Chemistry - Does a mole of carbon atoms have a different mass than a mole of Sulphur atoms?

ChemistryFundamentals of Chemistry

How many atoms are there in 32.1 g of S-atoms? 

Chemistry - Fundamentals of Chemistry - How many atoms are there in 32.1 g of S-atoms?

ChemistryFundamentals of Chemistry

What is the mass of one mole C-atoms? 

Chemistry - Fundamentals of Chemistry - What is the mass of one mole C-atoms?

ChemistryFundamentals of Chemistry

What is the concept of mole? Explain it?

Chemistry - Fundamentals of Chemistry - What is the concept of mole? Explain it?

ChemistryFundamentals of Chemistry

How is a mole related to Avogadro's number? 

Chemistry - Fundamentals of Chemistry - How is a mole related to Avogadro's number?

ChemistryFundamentals of Chemistry

Define Avogadro's number. How does it relate to the masses of chemical substances? 

Chemistry - Fundamentals of Chemistry - Define Avogadro's number. How does it relate to the masses of chemical substances?

ChemistryFundamentals of Chemistry

Identify the branches of Chemistry in the following cases.

Chemistry - Fundamentals of Chemistry - Identify the branches of Chemistry in the following cases.

ChemistryFundamentals of Chemistry

Differentiate between monoatomic and polyatomic molecules?

Chemistry - Fundamentals of Chemistry - Differentiate between monoatomic and polyatomic molecules?

ChemistryFundamentals of Chemistry

Which species has odd number of electrons? 

Chemistry - Fundamentals of Chemistry - Which species has odd number of electrons?

ChemistryFundamentals of Chemistry

Which species has even number of electrons?

Chemistry - Fundamentals of Chemistry - Which species has even number of electrons?

ChemistryFundamentals of Chemistry

Differentiate between an ion and a free radical.

Chemistry - Fundamentals of Chemistry - Differentiate between an ion and a free radical.

ChemistryFundamentals of Chemistry

Define free radical.

Chemistry - Fundamentals of Chemistry - Define free radical.

ChemistryFundamentals of Chemistry

Define molecular ion.

Chemistry - Fundamentals of Chemistry - Define molecular ion.

ChemistryFundamentals of Chemistry

Describe the formation of Na+ ion? 

Chemistry - Fundamentals of Chemistry - Describe the formation of Na+ ion?

ChemistryFundamentals of Chemistry

Differentiate between cations and anions.

Chemistry - Fundamentals of Chemistry - Differentiate between cations and anions.

ChemistryFundamentals of Chemistry

Define ion.

Chemistry - Fundamentals of Chemistry - Define ion.

ChemistryFundamentals of Chemistry

Define atom.

Chemistry - Fundamentals of Chemistry - Define atom.

ChemistryFundamentals of Chemistry

Determine the formula mass of table salt and milk of magnesia.

Chemistry - Fundamentals of Chemistry - Determine the formula mass of table salt and milk of magnesia.

ChemistryFundamentals of Chemistry

Define formula mass. 

Chemistry - Fundamentals of Chemistry - Define formula mass.

ChemistryFundamentals of Chemistry

Why the term molecular mass is used for molecular compounds whereas the term formula mass is used for ionic compounds?

Chemistry - Fundamentals of Chemistry - Why the term molecular mass is used for molecular compounds whereas the term formula mass is used for ionic compounds?

ChemistryFundamentals of Chemistry

Why are all the ionic compounds represented by their empirical formulas? 

Chemistry - Fundamentals of Chemistry - Why are all the ionic compounds represented by their empirical formulas?

ChemistryFundamentals of Chemistry

The term molecular formula may not be used to represent every compound; rather certain compounds are represented by their formula units. Why? 

Chemistry - Fundamentals of Chemistry - The term molecular formula may not be used to represent every compound; rather certain compounds are represented by their formula units. Why?

ChemistryFundamentals of Chemistry

Determine the molecular mass of glucose and naphthalene.

Chemistry - Fundamentals of Chemistry - Determine the molecular mass of glucose and naphthalene.

ChemistryFundamentals of Chemistry

Define molecular mass. 

Chemistry - Fundamentals of Chemistry - Define molecular mass.

ChemistryFundamentals of Chemistry

Caffeine (C8H10N4O2) is found in tea and coffee. Write the empirical formula for caffeine. 

Chemistry - Fundamentals of Chemistry - Caffeine (C8H10N4O2) is found in tea and coffee. Write the empirical formula for caffeine.

ChemistryFundamentals of Chemistry

Vinegar is 5% acetic acid. This contains 2 carbon atoms, four hydrogen atoms and 2 oxygen atoms. Write its empirical and molecular formulas.

Chemistry - Fundamentals of Chemistry - Vinegar is 5% acetic acid. This contains 2 carbon atoms, four hydrogen atoms and 2 oxygen atoms. Write its empirical and molecular formulas.

ChemistryFundamentals of Chemistry

Aspirin is used as a mild pain killer. There are nine carbon atoms, eight hydrogen atoms and four oxygen atoms, in this compound. Write its empirical and molecular formulas.

Chemistry - Fundamentals of Chemistry - Aspirin is used as a mild pain killer. There are nine carbon atoms, eight hydrogen atoms and four oxygen atoms, in this compound. Write its empirical and molecular formulas.

ChemistryFundamentals of Chemistry

For many compounds, empirical and molecular formulas are same.

Chemistry - Fundamentals of Chemistry - For many compounds, empirical and molecular formulas are same.

ChemistryFundamentals of Chemistry

Write the empirical formulas for the compound containing carbon to hydrogen in the following ratios:

Chemistry - Fundamentals of Chemistry - Write the empirical formulas for the compound containing carbon to hydrogen in the following ratios:

ChemistryFundamentals of Chemistry

Write a list of elements with their symbols and atomic masses.

Chemistry - Fundamentals of Chemistry - Write a list of elements with their symbols and atomic masses.

ChemistryFundamentals of Chemistry

Molecular formulas for water and carbon dioxide are H2O and CO2 respectively. What are empirical formulas for these compounds?

Chemistry - Fundamentals of Chemistry - Molecular formulas for water and carbon dioxide are H2O and CO2 respectively. What are empirical formulas for these compounds?

ChemistryFundamentals of Chemistry

Identify empirical and molecular formula for benzene from the following formulas.

Chemistry - Fundamentals of Chemistry - Identify empirical and molecular formula for benzene from the following formulas.

ChemistryFundamentals of Chemistry

The actual ratio between C, Hand O atoms in a glucose molecule is 6:12:6. What is the molecular formula of glucose? 

Chemistry - Fundamentals of Chemistry - The actual ratio between C, Hand O atoms in a glucose molecule is 6:12:6. What is the molecular formula of glucose?

ChemistryFundamentals of Chemistry

The simplest ratio between C, H and O atoms in glucose in 1:2:1. What is the empirical formula of glucose? 

Chemistry - Fundamentals of Chemistry - The simplest ratio between C, H and O atoms in glucose in 1:2:1. What is the empirical formula of glucose?

ChemistryFundamentals of Chemistry

Differentiate between empirical formula and a molecular formula?

Chemistry - Fundamentals of Chemistry - Differentiate between empirical formula and a molecular formula?

ChemistryFundamentals of Chemistry

Write down the relative atomic number of some elements.

Chemistry - Fundamentals of Chemistry - Write down the relative atomic number of some elements.

ChemistryFundamentals of Chemistry

Define atomic mass unit (AMU).

Chemistry - Fundamentals of Chemistry - Define atomic mass unit (AMU).

ChemistryFundamentals of Chemistry

Define relative atomic mass.

Chemistry - Fundamentals of Chemistry - Define relative atomic mass.

ChemistryFundamentals of Chemistry

Write the two main advantages of garlic.

Chemistry - Fundamentals of Chemistry - Write the two main advantages of garlic.

ChemistryFundamentals of Chemistry

Atomic number of an element is 17 and mass number is 35. How many protons and neutrons are in the nucleus of an atom of this element?

Chemistry - Fundamentals of Chemistry - Atomic number of an element is 17 and mass number is 35. How many protons and neutrons are in the nucleus of an atom of this element?

ChemistryFundamentals of Chemistry

Define isotope?

Chemistry - Fundamentals of Chemistry - Define isotope?

ChemistryFundamentals of Chemistry

Define mass number.

Chemistry - Fundamentals of Chemistry - Define mass number.

ChemistryFundamentals of Chemistry

What is the mass number of C-atom?

Chemistry - Fundamentals of Chemistry - What is the mass number of C-atom?

ChemistryFundamentals of Chemistry

What is the atomic number of He

Chemistry - Fundamentals of Chemistry - What is the atomic number of He?

ChemistryFundamentals of Chemistry

Define atomic number

Chemistry - Fundamentals of Chemistry - Define atomic number.

ChemistryFundamentals of Chemistry

Differentiate between compound and mixture

Chemistry - Fundamentals of Chemistry - Differentiate between compound and mixture?

ChemistryFundamentals of Chemistry

Describe the different types of mixture

Chemistry - Fundamentals of Chemistry - Describe the different types of mixture?

ChemistryFundamentals of Chemistry

Define mixture

Chemistry - Fundamentals of Chemistry - Define mixture.

ChemistryFundamentals of Chemistry

Define compound

Chemistry - Fundamentals of Chemistry - Define compound.

ChemistryFundamentals of Chemistry

Define element

Chemistry - Fundamentals of Chemistry - Define element

ChemistryFundamentals of Chemistry

Define substance

Chemistry - Fundamentals of Chemistry - Define substance

Fundamentals of ChemistryChemistry

Define mass

Chemistry - Fundamentals of Chemistry - Define mass

Fundamentals of Chemistry

Define matter

Chemistry - Fundamentals of Chemistry - Define matter

Fundamentals of ChemistryChemistry

Explain the molecularity of the physical world

Chemistry - Fundamentals of Chemistry - Explain the molecularity of the physical world

Fundamentals of ChemistryChemistry

alpha particle when bombarded on nitrogen atom a Proton is emitted. Identify the branch of chemistry in this case

Chemistry - Fundamentals of Chemistry - alpha particle when bombarded on nitrogen atom a Proton is emitted. Identify the branch of chemistry in this case

Fundamentals of ChemistryChemistry

Chlorofluorocarbon compounds are responsible for the depletion of ozone layer. Identify the branch of chemistry in this case

Chemistry - Fundamentals of Chemistry - Chlorofluorocarbon compounds are responsible for the depletion of ozone layer. Identify the branch of chemistry in this case

Fundamentals of ChemistryChemistry

An analyst determines NO2 is responsible for acid rain. Identify the branch of chemistry in this case

Chemistry - Fundamentals of Chemistry - An analyst determines NO2 is responsible for acid rain. Identify the branch of chemistry in this case

Fundamentals of ChemistryChemistry

A chemist performed an experiment to check the percentage purity of a sample of glucose (C6H12O6). Identify the branch of chemistry in this case.

Chemistry - Fundamentals of Chemistry - A chemist performed an experiment to check the percentage purity of a sample of glucose (C6H12O6). Identify the branch of chemistry in this case.

Fundamentals of ChemistryChemistry

Ammonia is a colorless gas with pungent irritating odor. It is highly soluble in water. Identify the branch of chemistry that tells us about such properties.

Chemistry - Fundamentals of Chemistry - Ammonia is a colorless gas with pungent irritating odor. It is highly soluble in water. Identify the branch of chemistry that tells us about such properties.

Fundamentals of ChemistryChemistry

Habers process converts large quantities of hydrogen and nitrogen into ammonia (NH3). Identify the branch of chemistry in this case

Chemistry - Fundamentals of Chemistry - Habers process converts large quantities of hydrogen and nitrogen into ammonia (NH3). Identify the branch of chemistry in this case

Fundamentals of ChemistryChemistry

Plantation helps in overcoming greenhouse effect. Identify the branch of chemistry in this case

Chemistry - Fundamentals of Chemistry - Plantation helps in overcoming greenhouse effect. Identify the branch of chemistry in this case

Fundamentals of ChemistryChemistry

Photosynthesis produces glucose and oxygen from carbon dioxide and water in presence of chlorophyll and sunlight. Identify the branch of chemistry in this case

Chemistry - Fundamentals of Chemistry - Photosynthesis produces glucose and oxygen from carbon dioxide and water in presence of chlorophyll and sunlight. Identify the branch of chemistry in this case

Fundamentals of ChemistryChemistry

What are the defects of Dalton’s atomic theory

Chemistry - Fundamentals of Chemistry - What are the defects of Dalton’s atomic theory

Fundamentals of ChemistryChemistry

Give main postulates of Dalton’s atomic theory

Chemistry - Fundamentals of Chemistry - Give main postulates of Dalton’s atomic theory

Fundamentals of ChemistryChemistry

Explain with the help of vinegar how we can differentiate between different branches of chemistry

Chemistry - Fundamentals of Chemistry - Explain with the help of vinegar how we can differentiate between different branches of chemistry

Fundamentals of ChemistryChemistry

Explain how Archimedes checked the purity of gold crown

Chemistry - Fundamentals of Chemistry - Explain how Archimedes checked the purity of gold crown

Fundamentals of ChemistryChemistry

What are the various branches of chemistry? Give brief description of each.

Chemistry - Fundamentals of Chemistry - What are the various branches of chemistry? Give brief description of each.

Fundamentals of ChemistryChemistry

Define Chemistry

Chemistry - Fundamentals of Chemistry - Define Chemistry

Fundamentals of ChemistryChemistry

Corpuscular nature of matter

Chemistry - Fundamentals of Chemistry - Corpuscular nature of matter

Chemistry