HARD
7th ICSE
IMPORTANT
Earn 100

Write the chemical formula of the following.
Calcium sulphide.

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

EASY
7th ICSE
IMPORTANT
Write the chemical formula of the following:
Aluminium chloride.

HARD
7th ICSE
IMPORTANT
Write the chemical formula of the following.
Zinc oxide.

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
