Question

Uses of liquid nitrogen

Answer 1

Answer:

It can be used to replace air and eliminate oxidation of materials

It is use in creating ammonia,which is used to make fertilizers and explosive

It is used as a cryogenic liquid

it is used to maintain a good vaccum in our mass spectrometer

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Answer 2

Answer:

1) used in the storage of pollen grains for future generations

2)Used In the Rocket fuels

3) used in the storage of injections and vaccines

The freezing and transporting of food products.

The cryopreservation of biological samples, such as sperm, eggs, and animal genetic samples.

Use as a coolant for superconductors, vacuum pumps, and other materials and equipment.

Use in cryotherapy to remove skin abnormalitie

Explanation:

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