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
Give the formula of nitric acid.
MEDIUM
7th ICSE
IMPORTANT
Give the formula of sulphuric acid.
HARD
7th ICSE
IMPORTANT
Give the formula of carbonic acid.
MEDIUM
7th ICSE
IMPORTANT

Give the formula of hydrogen chloride gas

MEDIUM
7th ICSE
IMPORTANT
Give the formula of ammonia gas.
MEDIUM
7th ICSE
IMPORTANT
Give the formula of carbon monoxide gas.