HARD
7th ICSE
IMPORTANT
Earn 100

Write the chemical formula of the following.
Zinc oxide.

Important Questions on Elements, Compounds & Mixtures
HARD
7th ICSE
IMPORTANT
Write the chemical formula of the following.
Calcium carbonate.

MEDIUM
7th ICSE
IMPORTANT
Give the formula of hydrochloric acid.

MEDIUM
7th ICSE
IMPORTANT

MEDIUM
7th ICSE
IMPORTANT

HARD
7th ICSE
IMPORTANT

MEDIUM
7th ICSE
IMPORTANT
Give the formula of hydrogen chloride gas

MEDIUM
7th ICSE
IMPORTANT

MEDIUM
7th ICSE
IMPORTANT
