EASY
8th CBSE
IMPORTANT
Earn 100

The calorific value of hydrogen in (kJ/kg) is

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Important Questions on Combustion and Flame

EASY
8th CBSE
IMPORTANT
SCIENCE Class 8>Chapter 6 - Combustion and Flame>LET's Learn And Evaluate>Q 2
Carbon monoxide forms _____ with haemoglobin of blood.
EASY
8th CBSE
IMPORTANT
SCIENCE Class 8>Chapter 6 - Combustion and Flame>LET's Learn And Evaluate>Q 3
LPG is a _____ fuel.
EASY
8th CBSE
IMPORTANT
SCIENCE Class 8>Chapter 6 - Combustion and Flame>LET's Learn And Evaluate>Q 4
Fire extinguisher produces _____ gas.
EASY
8th CBSE
IMPORTANT
SCIENCE Class 8>Chapter 6 - Combustion and Flame>LET's Learn And Evaluate>Q 5
Non-Luminous flame is called _____ flame.
EASY
8th CBSE
IMPORTANT
SCIENCE Class 8>Chapter 6 - Combustion and Flame>LET's Learn And Evaluate>Q 1

Carbon dioxide is the product of complete combustion of fuel.

EASY
8th CBSE
IMPORTANT
SCIENCE Class 8>Chapter 6 - Combustion and Flame>LET's Learn And Evaluate>Q 2

Petroleum products are generally compounds of carbon and hydrogen.

EASY
8th CBSE
IMPORTANT
SCIENCE Class 8>Chapter 6 - Combustion and Flame>LET's Learn And Evaluate>Q 3

Fire can occur in the absence of combustible substance.

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.