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Question
________ is used as a cooling agent in refrigerators.
________ is used as a cooling agent in refrigerators.
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Solution
The correct option is C Liquid Nitrogen
The explanation for the correct option -
Option C)
- Cooling agents are those which absorb heat and reduce the temperature of the substance.
- Liquid Nitrogen is used as a refrigerant due to its low boiling point.
The explanation for the incorrect options -
Option A) Nitrogen gas is used to make fertilizers, nitric acid, nylon, dyes, and explosives.
Option B) Liquid oxygen is utilized as an oxidant for liquid fuels in missile and rocket propellant systems.
Option D) Oxygen is used in the production of steel, plastics, and textile manufacture, steel, and other metal brazing, welding, and cutting, rocket propellant, oxygen treatment, and life support systems in aircraft, submarines, spaceflight, and diving.
Hence, Option C is the correct answer.
Liquid Nitrogen
The explanation for the correct option -
Option C)
- Cooling agents are those which absorb heat and reduce the temperature of the substance.
- Liquid Nitrogen is used as a refrigerant due to its low boiling point.
The explanation for the incorrect options -
Option A) Nitrogen gas is used to make fertilizers, nitric acid, nylon, dyes, and explosives.
Option B) Liquid oxygen is utilized as an oxidant for liquid fuels in missile and rocket propellant systems.
Option D) Oxygen is used in the production of steel, plastics, and textile manufacture, steel, and other metal brazing, welding, and cutting, rocket propellant, oxygen treatment, and life support systems in aircraft, submarines, spaceflight, and diving.
Hence, Option C is the correct answer.
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