Question

the substances which burn in air are called combustible true or false​

Answer 1

Answer:

true is the right answer

Answer 2

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Answer:

True.

Explanation:

The substances which burn in air are called combustible. Oxygen (in air) is essential for combustion. During the process of combustion, heat and light are given out. Ignition temperature is the lowest temperature at which a combustible substance catches fire.