The calorific values of three fuels A, B and C are 33kJ/ g, 48kJ/ g and 150kJ/ g, respectively. A is solid, B is liquid and C is a gas at room temperature. One combustion, both A and B produce carbon dioxide while C explodes forming steam. B and C leave no residue after combustion while A leaves behind some solid residue. Which one of the three fuels is the most ideal? Give two reasons to support your answer.
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Fuel B is the most ideal fuel of the three for the following reasons.
Hence, B is the ideal fuel.
- Lt has a high calorific value.
- It burns completely without leaving any residue.
Hence, B is the ideal fuel.
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