Question

Air holes of a gas burner have to be adjusted
when the heated, vessel get blackened by flame why
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Answer 1

Explanation:

The blackening of the vessels indicate sooty flame due to incomplete combustion of the fuel . Air (oxygen )is necessary for complete combustion. The air holes of the gas burner provide air for combustion and they have to be adjusted so that a blue and non-sooty flame is produced.

Answer 2

QUESTION:-

AIR HOLES OF A GAS BURNER HAVE TO BE ADJUSTED WHEN THE HEATED VESSELS BLACKENED BY FLAME ? WHY?

ANSWER:-

The blackening of the vessels indicate sooty flame due to incomplete combustion of the fuel . Air (oxygen )is necessary for complete combustion. The air holes of the gas burner provide air for combustion and they have to be adjusted so that a blue and non-sooty flame is produced.

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