Answer :

(a) The fuels which are vaporizable (can be converted to vapours) burns with flame. For example, petrol, candle and LPG in the gas burns with flame.

(b) The fuels which do not vaporize, burn without flame. For example; coal burns without flame.

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What is meant by an Lakhmir Singh & Manjit Kaur - Chemistry
What is meant by a sLakhmir Singh & Manjit Kaur - Chemistry

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