A substance which reacts with oxygen giving heat, is called a combustible substance. Which one of the following is a combustible substance? (a) iron nail (b) glass (c) stone piece wood

A.VERIFIED ANSWERfact-checked by tutors

Soln:

Answer is (d) wood

Explanation:

Glass, iron nail and stone piece will not burn like wood hence they are not combustible. Wood burns in the air, and it is called a combustible substance.

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