EASY
10th CBSE
IMPORTANT
Earn 100

Give one use of decomposition reaction.

Important Questions on Chemical Reactions

EASY
10th CBSE
IMPORTANT
What is meant by displacement reaction?
MEDIUM
10th CBSE
IMPORTANT
Describe any two examples of combustion.
EASY
10th CBSE
IMPORTANT
Define ignition temperature of a substance.
EASY
10th CBSE
IMPORTANT
State any two conditions required for combustion to take place.
MEDIUM
10th CBSE
IMPORTANT
Explain how can a matchstick light a splinter of wood, but not a log of wood.
MEDIUM
10th CBSE
IMPORTANT
Explain why flame is observed during burning of a substance.
HARD
10th CBSE
IMPORTANT

What are different types of chemical reactions? Illustrate each type with a suitable example.