MEDIUM
8th CBSE
IMPORTANT
Earn 100

Name the most common fire extinguisher.

Important Questions on Combustion and Flame

MEDIUM
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 6 - Combustion and Flame>Chapter Test>Q 4

Write an example of a gaseous fuel.

MEDIUM
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 6 - Combustion and Flame>Chapter Test>Q 5

How does pouring water extinguish a fire?

MEDIUM
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 6 - Combustion and Flame>Chapter Test>Q 6
Carbon dioxide causes acid rain. Is it correct?
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 6 - Combustion and Flame>Chapter Test>Q 7

What gives a pollution free environment when burnt?


MEDIUM
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 6 - Combustion and Flame>Chapter Test>Q 9

What is meant by rapid combustion? Give two examples.


MEDIUM
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 6 - Combustion and Flame>Chapter Test>Q 10

Explain how the use of CNG in automobiles has reduced pollution in cities?


MEDIUM
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 6 - Combustion and Flame>Chapter Test>Q 11

Give two examples each of (i) solid fuels and (ii) liquid fuels.

MEDIUM
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 6 - Combustion and Flame>Chapter Test>Q 12

State the disadvantages of burning wood as a fuel.