EASY
8th CBSE
IMPORTANT
Earn 100

Magnesium ribbon on burning in air produces

60% studentsanswered this correctly

Important Questions on Combustion and Flame

EASY
8th CBSE
IMPORTANT
Which of the following is not a combustible substance?
MEDIUM
8th CBSE
IMPORTANT
The substance that does not burn with flame is
MEDIUM
8th CBSE
IMPORTANT
On placing an inverted tumbler over a burning candle, the flame extinguishes after some time. This is because of non-availability of
MEDIUM
8th CBSE
IMPORTANT
If a person’s clothes catches fire, the best way to extinguish the fire is to:
MEDIUM
8th CBSE
IMPORTANT
The substance expected to have the highest ignition temperature out of the following is
EASY
8th CBSE
IMPORTANT
Choose the correct statement about inflammable substances from the following.
They have:
MEDIUM
8th CBSE
IMPORTANT
Choose the incorrect statement from the following.
Forest fires are usually due to:
EASY
8th CBSE
IMPORTANT
The calorific value of a fuel is expressed in a unit called