MEDIUM
7th CBSE
IMPORTANT
Earn 100

Balance the following chemical equation.

Important Questions on Elements, Compounds and Chemical Equations
MEDIUM
7th CBSE
IMPORTANT
Balance the following chemical equation

MEDIUM
7th CBSE
IMPORTANT
Balance the following chemical equations

EASY
7th CBSE
IMPORTANT
Write the chemical formulae of the following compound:
Aluminium chloride

MEDIUM
7th CBSE
IMPORTANT
Write the chemical formulae of the following compound:
Magnesium hydroxide.

MEDIUM
7th CBSE
IMPORTANT
Write the chemical formulae of the following compound:
Sodium oxide

MEDIUM
7th CBSE
IMPORTANT
Write the chemical formulae of the following compound:
Potassium carbonate

HARD
7th CBSE
IMPORTANT
Name the compounds formed by sodium. Also, write their chemical formulae.

MEDIUM
7th CBSE
IMPORTANT
Explain the physical method by which salt can be separated from salty water.
