Question

What are the uses of the various gases in air​

Answer 1

Answer:

A gas is a form of matter that does not have a defined shape or volume. Gases can consist of a single element, such as hydrogen gas (H2); they may also be a compound such as carbon dioxide (CO2) or even a mixture of several gases such as air.

Explanation:

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Answer 2

As you might know that air is a mixture of gases, it contains many gases. They are all important as they are useful to human kind in various ways.

• Oxygen (O2): medical use, welding.
• Nitrogen (N2): fire suppression, provides an inert atmosphere.
• Helium (He): balloons, medical equipment.
• Argon (Ar): welding, provides an inert atmosphere for materials.
• Carbon dioxide (CO2): carbonated soft drinks.
• Acetylene (C2H2): welding