MEDIUM
10th CBSE
IMPORTANT
Earn 100

Differentiate between exothermic and endothermic reactions with an example each.

Important Questions on Chemical Reactions and Equations
EASY
10th CBSE
IMPORTANT
Sodium hydroxide reacts with sulphuric acid to form sodium sulphate and water.

EASY
10th CBSE
IMPORTANT
Phosphorus burns in air to form phosphorus pentoxide.

EASY
10th CBSE
IMPORTANT
Carbon dioxide gas is passed through lime water to form calcium carbonate and water along with the evolution of heat.

EASY
10th CBSE
IMPORTANT
When solid mercury oxide is heated, liquid mercury and oxygen gas are produced.

EASY
10th CBSE
IMPORTANT
Marble dissolves in hydrochloric acid to form calcium chloride, water and carbon dioxide gas.

MEDIUM
10th CBSE
IMPORTANT

EASY
10th CBSE
IMPORTANT
A compound reacting with an element to form a new compound.

EASY
10th CBSE
IMPORTANT
A compound reacting with another compound to form a new compound.
