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The calorific values of petrol and CNG are 45000 kJ/kg and

50,000 kJ/kg, respectively. If you have vehicle which can run on
petrol as well as CNG, which fuel will you prefer and why?

Science - Exemplar Problems

Chapter 6. Combustion and Flame


I would prefer CNG. Because, it is an eco-friendly and it causes no harm to the ecosystem.
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