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Why is CNG (Compressed Natural Gas) preferred over petrol?

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in Biology – Class 12 by (271k points)
Why is CNG (Compressed Natural Gas) preferred over petrol?

(a) Burns most efficiently

(b) It is expensive

(c) Burns less efficiently

(d) Can be adulterated

The question was asked in exam.

My enquiry is from Environmental Issues topic in portion Environmental Issues of Biology – Class 12

1 Answer

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Correct option is (a) Burns most efficiently

Easy explanation: CNG (Compressed Natural Gas) preferred over petrol to reduce air pollution. This is because CNG burns most efficiently and very little of it is left unburnt. It is cheaper than petrol and cannot be easily adulterated.

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