EASY
9th CBSE
IMPORTANT
Earn 100

What is mean by:

Molecular mass

Important Questions on Atoms and Molecules

EASY
9th CBSE
IMPORTANT

What is meant by chemical formula?

EASY
9th CBSE
IMPORTANT

What is mean by :

Mole
HARD
9th CBSE
IMPORTANT
Give the main postulates of Dalton's atomic theory.
EASY
9th CBSE
IMPORTANT
Explain giving a suitable example: Law of conservation of mass.
EASY
9th CBSE
IMPORTANT

Explain giving a suitable example.

Law of constant proportions.

EASY
9th CBSE
IMPORTANT

Give the formula of the following compound:

Magnesium bicarbonate.

EASY
9th CBSE
IMPORTANT

Give the formula of the following compounds.

Cupric oxide.

EASY
9th CBSE
IMPORTANT

Give the formula of the following compound.

Ferric oxide.