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Burning coal with a sufficient amount of oxygen produces carbon dioxide.

When coal burns an insufficient amount of oxygen, carbon monoxide is formed.

Charcoal is a better fuel than kerosene to be used as a cooking fuel at home.

LPG is considered to be a good fuel for domestic use.

answer is C.

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Detailed Solution

Burning a coal with a sufficient amount of oxygen produces carbon dioxide along with water vapor.

Incomplete combustion of coal can produce carbon monoxide (CO) instead of carbon dioxide, which is a toxic gas.

While charcoal can be used as a cooking fuel, kerosene is generally considered to be a better fuel for home cooking because it burns more cleanly and produces less smoke and soot compared to charcoal.

LPG (liquefied petroleum gas) is considered to be a good fuel for domestic use because it is clean-burning, efficient, and easy to store and transport.

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