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Question
Which of the following are examples of fuel?
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Solution
The correct option is D All of these
Anything that burns to produce heat energy and is economically feasible is known as fuel. We know that petrol, diesel, LPG, CNG etc. all burn to produce heat energy and hence are examples of fuel. Burning paper is not economical and we do not burn oxygen, instead it is used for burning other materials. Sunlight is light energy, hence not a fuel.
Anything that burns to produce heat energy and is economically feasible is known as fuel. We know that petrol, diesel, LPG, CNG etc. all burn to produce heat energy and hence are examples of fuel. Burning paper is not economical and we do not burn oxygen, instead it is used for burning other materials. Sunlight is light energy, hence not a fuel.
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