EASY
8th CBSE
IMPORTANT
Earn 100

Fire can occur in the absence of combustible substance.

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Important Questions on Combustion and Flame

MEDIUM
8th CBSE
IMPORTANT
SCIENCE Class 8>Chapter 6 - Combustion and Flame>LET's Learn And Evaluate>Q 4

Ignition temperature of white phosphorus is 30°C.

EASY
8th CBSE
IMPORTANT
SCIENCE Class 8>Chapter 6 - Combustion and Flame>LET's Learn And Evaluate>Q 5
Black zone of the flame is the hottest part of the flame.
EASY
8th CBSE
IMPORTANT
SCIENCE Class 8>Chapter 6 - Combustion and Flame>LET's Learn And Evaluate>Q 1
Write the full form of CNG.
MEDIUM
8th CBSE
IMPORTANT
SCIENCE Class 8>Chapter 6 - Combustion and Flame>LET's Learn And Evaluate>Q 2
When crackers burst, which type of sound is produced?
EASY
8th CBSE
IMPORTANT
SCIENCE Class 8>Chapter 6 - Combustion and Flame>LET's Learn And Evaluate>Q 3
What is the temperature of a candle flame?
EASY
8th CBSE
IMPORTANT
SCIENCE Class 8>Chapter 6 - Combustion and Flame>LET's Learn And Evaluate>Q 4
Which type of flame is obtained by the complete combustion of fuel?
EASY
8th CBSE
IMPORTANT
SCIENCE Class 8>Chapter 6 - Combustion and Flame>LET's Learn And Evaluate>Q 1
Which conditions are necessary for combustion?
HARD
8th CBSE
IMPORTANT
SCIENCE Class 8>Chapter 6 - Combustion and Flame>LET's Learn And Evaluate>Q 2
How many types of combustion are there? Write a note on each of them.