Question

Charcoal does not produce a flame whereas LPG does. Justify.

Answer 1

Answer:

(i) A coal or charcoal burns with just a glow red and gives out heat without flame however LPG burns with flame, this is because a flame is produced only when gaseous substances burn. When wood or charcoal is ignited, the volatile substance present in it vapourizes and burns with a flame in the beginning.

Explanation:

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