EASY
8th CBSE
IMPORTANT
Earn 100

Give three conditions which are necessary for combustion.

Important Questions on Combustion and Flame

EASY
8th CBSE
IMPORTANT
What is calorific value of a fuel?
MEDIUM
8th CBSE
IMPORTANT
Differentiate between a luminous and a non-luminous zone of a candle flame.
EASY
8th CBSE
IMPORTANT
What do you mean by the ignition temperature of a substance?
EASY
8th CBSE
IMPORTANT
How does combustion of fuels cause global warming?
EASY
8th CBSE
IMPORTANT
What is greenhouse effect? Explain.
EASY
8th CBSE
IMPORTANT
What is unleaded petrol? What is its advantage.
MEDIUM
8th CBSE
IMPORTANT
What are secondary fuels? Give examples.