Question

Some uses of gases in air

Answer 1

Explanation:

• Oxygen (O2): medical use, welding.
• Nitrogen (N2): fire suppression, provides an inert atmosphere.
• Helium (He): balloons, medical equipment.
• Propane (C3H8): fuel for heat, gas grills.

Answer 2

Answer:

Helium (He): balloons, medical equipment. Argon (Ar): welding, provides an inert atmosphere for materials. Carbon dioxide (CO2): carbonated soft drinks.Freon (various chlorofluorocarbons): coolant for air conditioners, refrigerators, freezers.

Explanation:

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