Question

while cooking If the bottom of the vessel is getting blackened on the outside ,it means that ..
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Answer 1

While cooking if the bottom of the vessel is getting blackened on the outside, it means that the fuel is not burning properly.

Whenever a fuel doesn't burn properly , a black flame appears which makes the vessel black.

This black flame is composed of unburnt fuel which emerges out as black soot.

Answer 2

Answer:

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Explanation:

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