MEDIUM
8th CBSE
IMPORTANT
Earn 100

Sodium: kerosene:: : water

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Important Questions on Combustion and Flame

EASY
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 6 - Combustion and Flame>Put on your thinking cap>Q 3
Fuels release their energy through a chemical reaction known as _____.
MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 6 - Combustion and Flame>Put on your thinking cap>Q 3
_____ reaction is accompanied by the evolution of heat.
MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 6 - Combustion and Flame>Put on your thinking cap>Q 3
The substances which _____ easily on burning give flames.
MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 6 - Combustion and Flame>Put on your thinking cap>Q 3
Changing of solids directly into vapour on heating is called _____.
MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 6 - Combustion and Flame>Put on your thinking cap>Q 3
Unburnt carbon particles form _____, which appears as a dark powder.
EASY
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 6 - Combustion and Flame>Put on your thinking cap>Q 3
_____ should never be used in case of an electrical fire.
EASY
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 6 - Combustion and Flame>Put on your thinking cap>Q 4
Define. Energy
EASY
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 6 - Combustion and Flame>Put on your thinking cap>Q 4
Define. Combustion