HARD
10th CBSE
IMPORTANT
Earn 100

What happens when (write chemical equations also) zinc granules are added to hydrochloric acid.

Important Questions on Chemical Reactions and Equations
HARD
10th CBSE
IMPORTANT
What happens when (write chemical equations also) quick lime is added to water filled in a bucket?

HARD
10th CBSE
IMPORTANT
Give an example of a chemical reaction characterised by the evolution of a gas.

MEDIUM
10th CBSE
IMPORTANT
Give an example of a chemical reaction characterised by a change in colour.

MEDIUM
10th CBSE
IMPORTANT
Give an example of a chemical reaction characterised by the formation of a precipitate.

MEDIUM
10th CBSE
IMPORTANT
Give an example of a chemical reaction characterised by change in temperature.

EASY
10th CBSE
IMPORTANT
Give an example of a chemical reaction characterised by a change in state.

EASY
10th CBSE
IMPORTANT
State one characteristic of the chemical reaction which takes place when a pinch of sodium carbonate is added to dilute hydrochloric acid.

MEDIUM
10th CBSE
IMPORTANT
State one characteristic of the chemical reaction which takes place when lemon juice is added gradually to potassium permanganate solution.
