Question

115
b. The substance which vaporize during burning give flame.
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Answer 1

Answer:

Kerosine oil

Explanation:

I think it will help you.

Answer 2

Answer:

Substances that vaporize during burning gives flame.

Example: Kerosene oil. It produces a flame.

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Certain substances do not vaporize and hence does not produce a flame.

Example: Coal. It does not produce any flame

(Hope it helps you!)