EASY
8th CBSE
IMPORTANT
Earn 100

Distinguish between combustible and non-combustible substances, giving three examples of each.

Important Questions on Combustion and Flame

EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 6 - Combustion and Flame>EXERCISES>Q C
Why is it more difficult to burn some combustible substances than others?
EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 6 - Combustion and Flame>EXERCISES>Q C
State the conditions under which combustion occurs.
EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 6 - Combustion and Flame>EXERCISES>Q C
Why is more care needed to store kerosene than coal, though both are fuels?
EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 6 - Combustion and Flame>EXERCISES>Q C
What problem will arise if a fuel has an ignition temperature lower than the average room temperature? Name the type of combustion that will occur in such a case.
EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 6 - Combustion and Flame>EXERCISES>Q C
What is an explosion?
EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 6 - Combustion and Flame>EXERCISES>Q C
Why is water not suitable for extinguishing a fire in an electrical appliance?
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 6 - Combustion and Flame>EXERCISES>Q D
Name and give chemical equations to show the products of the combustion reaction in
(a) limited supply of air.
(b) sufficient supply of air.
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 6 - Combustion and Flame>EXERCISES>Q D
List the different methods by which a fire can be extinguished.