MEDIUM
8th CBSE
IMPORTANT
Earn 100

Explain the principle of working of fire extinguisher.

Important Questions on Combustion and Flame

EASY
8th CBSE
IMPORTANT
Full Marks Science>Chapter 6 - Combustion and Flame>TEST YOUR SKILLS>Q 5
Why does a matchstick not burn on its own?
MEDIUM
8th CBSE
IMPORTANT
Full Marks Science>Chapter 6 - Combustion and Flame>TEST YOUR SKILLS>Q 1
What is combustion? Explain various types of combustion.
MEDIUM
8th CBSE
IMPORTANT
Full Marks Science>Chapter 6 - Combustion and Flame>TEST YOUR SKILLS>Q 2
What are the harmful effects due to increasing consumption of fuel?
EASY
8th CBSE
IMPORTANT
Full Marks Science>Chapter 6 - Combustion and Flame>TEST ASSIGNMENT NO. 1>Q 1
Expand CNG.
EASY
8th CBSE
IMPORTANT
Full Marks Science>Chapter 6 - Combustion and Flame>TEST ASSIGNMENT NO. 1>Q 2
What are the products of combustion of any fuel?
EASY
8th CBSE
IMPORTANT
Full Marks Science>Chapter 6 - Combustion and Flame>TEST ASSIGNMENT NO. 1>Q 3
Write the names of any two combustible substances.
EASY
8th CBSE
IMPORTANT
Full Marks Science>Chapter 6 - Combustion and Flame>TEST ASSIGNMENT NO. 1>Q 4
Survey 100 houses your area. Find the percentage of households using LPG, kerosene, wood and cattle dung as fuel.
EASY
8th CBSE
IMPORTANT
Full Marks Science>Chapter 6 - Combustion and Flame>TEST ASSIGNMENT NO. 1>Q 5
At airports and petrol pumps, hydrocarbon, fire extinguishers are used but not soda acid fire extinguishers. Why?