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Hydrogen gas has less than _______________ the density of air.

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Hydrogen gas has less than _______________ the density of air.

(a) 1/12th

(b) 1/10th

(c) 2/3rd

(d) 1/3rd

I had been asked this question during a job interview.

My question is from Hydrogen Engine in portion Conventional and Alternate Fuels of IC Engine

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Best answer
Correct choice is (b) 1/10th

The best explanation: None.

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