MEDIUM
10th CBSE
IMPORTANT
Earn 100

Describe any two examples of combustion.

Important Questions on Chemical Reactions

EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 3 - Chemical Reactions>EXERCISES>Q 14
Define ignition temperature of a substance.
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 3 - Chemical Reactions>EXERCISES>Q 15
State any two conditions required for combustion to take place.
MEDIUM
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 3 - Chemical Reactions>EXERCISES>Q 16
Explain how can a matchstick light a splinter of wood, but not a log of wood.
MEDIUM
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 3 - Chemical Reactions>EXERCISES>Q 17
Explain why flame is observed during burning of a substance.
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 3 - Chemical Reactions>EXERCISES>Q 18
What is a flame?
HARD
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 3 - Chemical Reactions>EXERCISES>Q 1

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

HARD
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 3 - Chemical Reactions>EXERCISES>Q 2

Write short notes on:

(i) Isomerization reactions.
(ii) Balanced equations.

MEDIUM
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 3 - Chemical Reactions>EXERCISES>Q 3
What is the difference between a displacement and a double displacement reaction?