EASY
8th CBSE
IMPORTANT
Earn 100

The amount of heat liberated when one kilogram of a fuel is completely burnt in sufficient supply of oxygen is called of the fuel.

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Important Questions on Combustion and Flame

EASY
8th CBSE
IMPORTANT
Name one unit in which the heat liberated by a fuel is measured.
EASY
8th CBSE
IMPORTANT
The lower the ignition temperature the better the fuel. True or false?
EASY
8th CBSE
IMPORTANT
What are the fine particles released on burning carbon-containing fuels called?
EASY
8th CBSE
IMPORTANT
What is combustion?
EASY
8th CBSE
IMPORTANT
Distinguish between combustible and non-combustible substances, giving three examples of each.
EASY
8th CBSE
IMPORTANT
Why is it more difficult to burn some combustible substances than others?
EASY
8th CBSE
IMPORTANT
State the conditions under which combustion occurs.
EASY
8th CBSE
IMPORTANT
Why is more care needed to store kerosene than coal, though both are fuels?