Question

Air holes of a gas burner have to be adjusted
when the heated, vessel get blackened by flame why ?
give a detailed reason​

Answer 1

Answer:

The blackening of the vessels indicate sooty flame due to incomplete combustion of the fuel .

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

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Air holes of a gas burner have to be adjusted b ecause blackening of vessels show that the air holes of the gas stove are getting blocked and hence the fuel is not burning completely (due to insufficient supply of oxygen).❤️