Question

.........
C. Write the uses of following gases present in air.
1. Oxygen:
2. Nitrogen:
3. Carbon dioxide:..
4. Argon :
5. Neon :.​

Answer 1

Explanation:

1 for human being

2 for filling chips packets to fill so food should not spoil

3 for plants respiration

4 for production of titanium

5 is used in lamps, tube light etc

Answer 2

Oxygen: needed for respiration in humans

Nitrogen: useful by plants

Carbon dioxide: used by plants for their own food requirements

Argon: Argon is used in some types of arc welding such as gas metal arc welding and gas tungsten arc welding, as well as in the processing of titanium and other reactive elements. An argon atmosphere is also used for growing crystals of silicon and germanium.

Neon: Neon is used in vacuum tubes, high-voltage indicators, lightning arresters, wavemeter tubes, television tubes, and helium–neon lasers. Liquefied neon is commercially used as a cryogenic refrigerant in applications not requiring the lower temperature range attainable with more extreme liquid-helium refrigeration.

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