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

EASY
9th CBSE
IMPORTANT

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.
