For cooking, why are L.P.G/P.N.G fuels better than other fuels?

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It has a higher calorific value.

LPG gas is convenient and safe to use.

LPG undergoes complete combustion and thus creates the least greenhouse gases.

All of the above.

answer is D.

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Detailed Solution

Advantages of LPG over other fuels-
It has a higher calorific value. It cooks the food faster than any other fuel.
Better control: LPG is easy to control at the on and off of the knob. A knob on household gas cylinders lets us choose how much LPG is delivered to the stove. By adjusting the intensity, a blue flame is created that is simple to control at the proper cooking temperature.
Utilising LPG gas is easy and secure.
When compared to other fuels LPG is more economical. The stoves which used LPG require less maintenance as it undergoes complete combustion. This does not form any residue.
LPG undergoes complete combustion and thus creates the least greenhouse gases.LPG helps to reduce the greenhouse gases.
Hence, the correct option is (4).

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