EASY
10th CBSE
IMPORTANT
Earn 100

Define a precipitate.

Important Questions on Chemical Reactions and Equations

EASY
10th CBSE
IMPORTANT
What are the ways of forming the precipitate?
MEDIUM
10th CBSE
IMPORTANT
Give an example of a precipitate reaction.
EASY
10th CBSE
IMPORTANT
What happens when zinc granules react with dilute sulphuric acid?
HARD
10th CBSE
IMPORTANT
Differentiate exothermic and endothermic reactions with an example for each.
MEDIUM
10th CBSE
IMPORTANT
How would you say that a chemical reaction has taken place? Give an example.
EASY
10th CBSE
IMPORTANT
What happens when a chemical reaction absorbs heat energy?
EASY
10th CBSE
IMPORTANT

Melting of ice is _____ reaction.

(Endothermic/ Exothermic)

MEDIUM
10th CBSE
IMPORTANT
Is respiration an endothermic or exothermic reaction? Give reasons.