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#Chemistry

Analytical Chemistry - Important Short Questions and Answers

Class 12 FBISEChemistryAnalytical Chemistry

Analytical Chemistry - MCQs

Class 12 FBISEChemistryAnalytical Chemistry

Analytical Chemistry - Exercise

Class 12 FBISEChemistryAnalytical Chemistry

Analytical Chemistry - Notes

Class 12 FBISEChemistryAnalytical Chemistry

Environmental Chemistry - Important Short Questions and Answers

Class 12 FBISEChemistryEnvironmental Chemistry

Questions

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#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?

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?

Calculate number of moles in the given number of molecules.

MCQs

#Chemistry

Which of the following is the reason that iron is the most abundant element?

Which element does not show magnetic properties?

Which metal is not attracted by magnet?

Number of unpaired electrons in ferrous ion is

What is not true about transition metals?

Flashcards

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#Chemistry

Gram formula mass

Gram atomic mass

Avogadro's number

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Calculate number of moles in the given number of atoms.

Calculate number of molecules in given moles of a substance