p-Block elementsHard

Question

Which of the following could act as apropellant for rockets?

Options

A.Liquid oxygen + liquid argon
B.Liquid hydrogen + liquid oxygen
C.Liquid nitrogen + liquid oxygen
D.Liquid hydrogen + liquid nitrogen

Solution

Liquid hydrogen and liquid oxygen are used as excellent fuel for rockets. H2(l) has low mass and highenthalpy of combustion whereas oxygen is a strong supporter of combustion

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