Question

What are the Uses of helium??

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Answer 1

Answer:

Helium gas is used to inflate blimps, research balloons, and balloons for celebrations. It is used as an inert shield for arc welding, for pressurizing liquid-fueled rocket fuel tanks, and in supersonic wind tunnels.

Answer 2

Although not used directly as rocket fuel, helium is used to clean the fuel tanks of the liquid hydrogen and oxygen that are used as fuel. Knowing that helium is inert allows the space program to trust that it won't react or combust with any oxygen that happens to remain in the tank.

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