51. Which of the following could be used as fuel in propellant or rockets ? A.Liquid Hydrogen + Liquid Nitrogen B.Liquid Oxygen + Liquid Argon C.Liquid Nitrogen + Liquid Oxygen D.Liquid Hydrogen + Liquid Oxygen

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Abhishek Mishra

2 years ago

Answer: Option D Solution: Liquid hydrogen and liquid oxygen are used as propellent for rocket.

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