The formula of iron (III) chloride is:

Important Questions on Atoms and Molecules

EASY

9th CBSE

IMPORTANT

Core science chemistry>Chapter 3 - Atoms and Molecules>EXERCISE 3B>Q 23

The chemical name of $\mathrm{Mg}({\mathrm{HCO}}_3{)}_2$ is

EASY

9th CBSE

IMPORTANT

Core science chemistry>Chapter 3 - Atoms and Molecules>EXERCISE 3B>Q 24

The chemical name of ${\mathrm{Fe}}_2({\mathrm{SO}}_4{)}_3$ is:

EASY

9th CBSE

IMPORTANT

Core science chemistry>Chapter 3 - Atoms and Molecules>EXERCISE 3B>Q 25

The valency of phosphide in calcium phosphide (${\mathrm{Ca}}_3{\mathrm{P}}_2$) is:

EASY

9th CBSE

IMPORTANT

Core science chemistry>Chapter 3 - Atoms and Molecules>EXERCISE 3B>Q 26

The formula of aluminium sulphate is ${\mathrm{Al}}_2({\mathrm{SO}}_4{)}_3$. The formula of aluminium nitride is:

EASY

9th CBSE

IMPORTANT

Core science chemistry>Chapter 3 - Atoms and Molecules>EXERCISE 3B>Q 1

Define the term molecule.

EASY

9th CBSE

IMPORTANT

Core science chemistry>Chapter 3 - Atoms and Molecules>EXERCISE 3B>Q 2

What do you understand by the term atomicity of the molecule of an element?

MEDIUM

9th CBSE

IMPORTANT

Core science chemistry>Chapter 3 - Atoms and Molecules>EXERCISE 3B>Q 3

What is the difference between $2\mathrm{Cl}$, ${\mathrm{Cl}}_2$ and $4{\mathrm{Cl}}_2$?

EASY

9th CBSE

IMPORTANT

Core science chemistry>Chapter 3 - Atoms and Molecules>EXERCISE 3B>Q 4

What do you understand by the term valency of an element?