Class 8

Combustion and Flame question bank (Science)

Practice 72 free Class 8 Science - Combustion and Flame questions with answers and step-by-step solutions.

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Q1.

The lowest temperature at which a substance catches fire is known as its:


(A)
Boiling point
(B)
Ignition temperature
(C)
Melting point
(D)
Critical temperature
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Q2.

What is the fundamental scientific concept underlying 'Conditions Necessary for Combustion (Fuel, Oxygen, Ignition Temp)' in 'Combustion and Flame'?


(A)
Empirical natural phenomena, structures, and processes defined in Conditions Necessary for Combustion (Fuel, Oxygen, Ignition Temp)
(B)
Fictional stories
(C)
Ancient superstitions
(D)
None of these
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