Question

What is diffrence between helium gas and normal gas​

Answer 1

Helium is a special gas called a Noble Gas, which means it doesn't burn. The two lifting gases historically used in airships are hydrogen and helium. Hydrogen is less dense so it has slightly more lift, about 70 pounds per 1000 cubic feet of gas versus 65 for helium. It is also considerably less expensive.

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Answer 2

Answer:

Air filled balloons do not float. ... In comparison, helium Mylar balloons can be refilled with more helium once they start to deflate. Substance – Unlike balloons filled with air, helium balloons are filled with an odorless, colorless, and tasteless natural gas.

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