HARD
7th ICSE
IMPORTANT
Earn 100

Write the chemical formula of the following.
Calcium carbonate.

Important Questions on Elements, Compounds & Mixtures
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

HARD
7th ICSE
IMPORTANT
