(a) What is a flame? What type of substance, on burning, give a flame?
(b) What is the difference between the burning of a candle and the burning of a fuel like coal.

(aFlame is the zone of combustion of a combustible substance. Substances that vapourize during burning produce flames. Example- kerosene, wax, etc.

(b) Substances that vapourize during burning, produce flames, such as wax in the candle, Kerosene.

Substances that do not vapourize during burning, do not produce flames. Example- coal and charcoal.


Simply Easy Learning

Updated on: 10-Oct-2022


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