R R Misra Solutions for Chapter: Atoms and Molecules, Exercise 8: Multiple Choice Questions (MCQ)

What is the ratio of the number of molecules in $14 \mathrm{g} \mathrm{CO}$ and $28 \mathrm{g} {\mathrm{N}}_2$

Which one of the following has more number of molecules?

The amount of a chemical substance is reported as

The molar mass of ${\mathrm{O}}_2$ is $32$ grams per mole. What is the number of moles in $10$ grams of oxygen?

One mole of ${\mathrm{N}}_2$ is equal to which one of the following?

Which one is not true about ${\mathrm{H}}_2{\mathrm{SO}}_4$?

The mole in $16 \mathrm{g}$ calcium is $0.4$. What is the molar mass of $\mathrm{Ca}$ atoms?

The molar mass of $\mathrm{Ne}$ atoms is $20\frac{\mathrm{g}}{\mathrm{mol}}$. How many moles are there in $100 \mathrm{g}$ of neon?