Question

Write some uses of gases in air

Answer 1

Answer:

Since atmospheric air consist of many types of gases.It consists of nitrogen (78.09%),oxygen (21%),argon (1%),carbon di-oxide (0.04%) and many other gases. Nitrogen is used for making ammonia ,which is used for making fertilizers,explosives and etc. ... Carbon di-oxide is used by plants for photosynthesis.

Answer 2

Answer:

1. Oxygen (O2): medical use, welding.

2. Nitrogen (N2): fire suppression, provides an inert atmosphere.

3. Helium (He): balloons, medical equipment.

4. Argon (Ar): welding, provides an inert atmosphere for materials.

5. Carbon dioxide (CO2): carbonated soft drinks.

6. Acetylene (C2H2): welding.