Organic Compounds - Important Short Questions and Answers
Premium ContentClass 12 - Chemistry - Organic Compounds - Important Short Questions and Answers
Organic Compounds - MCQs
Class 12 - Chemistry - Organic Compounds - MCQs
Organic Compounds - Exercise
Class 12 - Chemistry - Organic Compounds - Exercise
Organic Compounds - Notes
Class 12 - Chemistry - Organic Compounds - Notes
Organic Chemistry - Review Questions
Class 10 - Chemistry - Organic Chemistry - Review Questions
Organic Chemistry - MCQs
Class 10 - Chemistry - Organic Chemistry - MCQs
Organic Chemistry - Notes
Class 10 - Chemistry - Organic Chemistry - Notes
Organic Chemistry - Set 12
Premium ContentNUST Entrance Test - Organic Chemistry - Set 12
Organic Chemistry - Set 11
Premium ContentNUST Entrance Test - Organic Chemistry - Set 11
Organic Chemistry - Set 10
Premium ContentNUST Entrance Test - Organic Chemistry - Set 10
Organic Chemistry - Set 9
Premium ContentNUST Entrance Test - Organic Chemistry - Set 9
Organic Chemistry - Set 8
Premium ContentNUST Entrance Test - Organic Chemistry - Set 8
Organic Chemistry - Set 7
Premium ContentNUST Entrance Test - Organic Chemistry - Set 7
Organic Chemistry - Set 6
Premium ContentNUST Entrance Test - Organic Chemistry - Set 6
Organic Chemistry - Set 5
Premium ContentNUST Entrance Test - Organic Chemistry - Set 5
Organic Chemistry - Set 4
Premium ContentNUST Entrance Test - Organic Chemistry - Set 4
Organic Chemistry - Set 3
Premium ContentNUST Entrance Test - Organic Chemistry - Set 3
Organic Chemistry - Set 2
Premium ContentNUST Entrance Test - Organic Chemistry - Set 2
Organic Chemistry - Set 1
NUST Entrance Test - Organic Chemistry - Set 1
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?
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
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?
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?
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?
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.
For many compounds, empirical and molecular formulas are same.
Chemistry - Fundamentals of Chemistry - For many compounds, empirical and molecular formulas are same.
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:
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?
Differentiate between compound and mixture
Chemistry - Fundamentals of Chemistry - Differentiate between compound and mixture?
Define compound
Chemistry - Fundamentals of Chemistry - Define compound.
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
Complete the sentences given below with the given compound prepositions.
Class 09 FBISE English - All is not lost -Complete the sentences given below with the given compound prepositions
Why Diffusion can work only in unicellular and simple multicellular organisms?
Class 9 FBISE Biology - Transport - Why Diffusion can work only in unicellular and simple multicellular organisms?
The stomach is an organ of the digestive system, but it also secretes a Hormone. What hormone is it and what function does it perform?
Class 9 FBISE Biology - Nutrition - The stomach is an organ of the digestive system, but it also secretes a Hormone. What hormone is it and what function does it perform?
According to the Food and Agriculture Organization of the United Nations how many people die of starvation every day?
Class 9 FBISE Biology - Nutrition - According to the Food and Agriculture Organization of the United Nations how many people die of starvation every day?
If we supply inorganic and organic fertilizers to a plant, which one would be first available to the plant for uptake?
Class 9 FBISE Biology - Nutrition - If we supply inorganic and organic fertilizers to a plant, which one would be first available to the plant for uptake?
Urea is organic or inorganic fertilizer?
Class 9 FBISE Biology - Nutrition - Urea is organic or inorganic fertilizer?
How are the inorganic and organic fertilizers important in agriculture?
Class 9 FBISE Biology - Nutrition - How are the inorganic and organic fertilizers important in agriculture?
How are the autotrophic organisms and heterotrophic organism obtain their food?
Class 9 FBISE Biology - Nutrition - How are the autotrophic organisms and heterotrophic organism obtain their food?
In what ways the respiratory energy is used in the body of organisms?
Class 9 FBISE Biology - Bioenergetics - In what ways the respiratory energy is used in the body of organisms?
In what ways the respiratory energy is used in body of organisms?
Class 9 FBISE Biology - Bioenergetics - In what ways is the respiratory energy used in the body of organisms?
How many forms of energy in living organisms exist?
Class 9 FBISE Biology - Bioenergetics - How many forms of energy in living organisms exist?
It is difficult to use the criterion of interbreeding to define species of unicellular organisms. Why?
Class 9 FBISE Biology - Biodiversity - It is difficult to use the criterion of interbreeding to define species of unicellular organisms. Why?
Describe the major plant tissues i.e. simple tissues (meristematic tissues, permanent tissues) and compound tissues (xylem phloem tissues) in terms of their cell specificities, locations, and functions.
Class 9 FBISE Biology - Cells and Tissues - Describe the major plant tissues i.e. simple tissues (meristematic tissues, permanent tissues) and compound tissues (xylem phloem tissues) in terms of their cell specificities, locations, and functions.
Describe the major properties and types of compound (complex) tissues?
Class 9 FBISE Biology - Cells and Tissues - Describe the major properties and types of compound (complex) tissues?
An organ is usually constructed from two or more different _______.
Class 9 FBISE Biology - Cells and Tissues - An organ is usually constructed from two or more different _______.
Why a colony of cells does not get tissue level of organization?
Why a colony of cells does not get tissue level of organization?
Describe the sub-cellular and Acellular particles. Or why the first principle of the cell theory “all organisms are composed of one or more cells” is not so universal?
Class 9 FBISE Biology - Cells and Tissues - Describe the sub-cellular and Acellular particles. Or why the first principle of the cell theory “all organisms are composed of one or more cells” is not so universal?
Explain the base for establishing five kingdoms of living organisms?
Class 9 FBISE Biology - Biodiversity - Explain the base for establishing five kingdoms of living organisms?
How arranging groups of organisms arranged in an evolutionary tree?
Class 9 FBISE Biology - Biodiversity - How arranging groups of organisms arranged in an evolutionary tree?
Describe the five-principal group of organisms?
Class 9 FBISE Biology - Biodiversity - Describe the five-principal group of organisms?
Briefly describe data organization and data analysis are important steps in a biological method?
Class 9 FBISE Biology - Solving a Biological Problem - Briefly describe data organization and data analysis are important steps in a biological method?
Describe the three ways of cell organization to make the bodies of living organisms?
Class 9 FBISE Biology - Introduction to Biology - Describe the three ways of cell organization to make the bodies of living organisms?
Arrange these structures in order of lower level of organization to the upper level and write the level against each structure. Neuron, nervous system, electron, man, a mass of neurons, carbon, mitochondria, brain, protein?
Class 9 FBISE Biology - Introduction to Biology - Arrange these structures in order of lower level of organization to the upper level and write the level against each structure. Neuron, nervous system, electron, man, a mass of neurons, carbon, mitochondria, brain, protein?
Is there any division of labor among the cells of a colony? If you find a division of labor among the cells and tissue what level of cellular organization is it?
Class 9 FBISE Biology - Introduction to Biology - Is there any division of labor among the cells of a colony? If you find a division of labor among the cells and tissue what level of cellular organization is it?
Draw a linkage table that describes the parameters of study at different levels of biological organization?
Class 9 FBISE Biology - Introduction to Biology - Draw a linkage table that describes the parameters of study at different levels of biological organization?
Describe the Functions of digestive organs and sum up the processes of the digestive system?
Class 9 FBISE Biology - Introduction to Biology - Describe the Functions of digestive organs and sum up the processes of the digestive system?
Enlist the vital organs which can be damage by notorious diseases?
Class 9 FBISE Biology - Introduction to Biology - Enlist the vital organs which can be damage by notorious diseases?
Describe the levels of organization of life?
Class 9 FBISE Biology - Introduction to Biology - Describe the levels of organization of life?
Describe the division of living organisms into different groups in biology?
Class 9 FBISE Biology - Introduction to Biology - Describe the division of living organisms into different groups in biology?
Describe the characteristics of living organisms?
Class 9 FBISE Biology - Introduction to Biology - Describe the characteristics of living organisms?