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Question
The human-made synthetic chemical used in refrigerator is-
The human-made synthetic chemical used in refrigerator is-
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Solution
The correct option is B CFC
The correct option is B:
Explanation of Correct option:
- CFCs were widely utilized as propellants (e.g. in spays) and solvents, as well as in freezers.
- Low toxicity, flammability, and reactivity are among its advantages.
- However, they were shown to contribute to global warming and ozone layer depletion, owing to their high chemical stability, which prevented them from being broken down by UV light in the upper atmosphere.
Explanation of Incorrect option:
Option A:
LPG is generally used as fuel gas.
Option C:
Methane is an organic gas that is used as fuel to make heat and light
Option D:
Polyvinyl chloride is used for making electric cable insulation.
Final Answer: The human-made synthetic chemical used in refrigerators is- CFC
CFC
The correct option is B:
Explanation of Correct option:
- CFCs were widely utilized as propellants (e.g. in spays) and solvents, as well as in freezers.
- Low toxicity, flammability, and reactivity are among its advantages.
- However, they were shown to contribute to global warming and ozone layer depletion, owing to their high chemical stability, which prevented them from being broken down by UV light in the upper atmosphere.
Explanation of Incorrect option:
Option A:
LPG is generally used as fuel gas.
Option C:
Methane is an organic gas that is used as fuel to make heat and light
Option D:
Polyvinyl chloride is used for making electric cable insulation.
Final Answer: The human-made synthetic chemical used in refrigerators is- CFC
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