| गण ७P 9 nlf e e Wi एपाुइदुतप् op AyI

1.	\| गण ७P 9 nlf e e Wi एपाुइदुतप् op AyI
Answer» The chemical process in which asubstancereacts with oxygen to give off heat is called combustion. The substanceswhich vaporize duringburninggiveflames. For example combustion of kerosene oil producesflame. On the other hand certain substanceslike coaldonot vaporize and hence doesn't produce aflame.

Answer»

The chemical process in which asubstancereacts with oxygen to give off heat is called combustion.

The substanceswhich vaporize duringburninggiveflames.

For example combustion of kerosene oil producesflame.

On the other hand certain substanceslike coaldonot vaporize and hence doesn't produce aflame.

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