Which of the following solvents is used in refrigeration and is a known culprit of ozone layer deple...........

General Studies(Punjab Allied) General Science

Which of the following solvents is used in refrigeration and is a known culprit of ozone layer depletion ?

Benzene

Chlorofluorocarbon

Carbon tetrachloride

Chloroform

- Benzene (Option 1):

- Not used in refrigeration.

- Aromatic hydrocarbon, known for toxicity and industrial use, but not linked to ozone depletion.

- Chlorofluorocarbon (Option 2):

- Used widely as refrigerants (CFCs).

- Major contributor to ozone layer depletion due to release of chlorine atoms in the stratosphere.

- Carbon tetrachloride (Option 3):

- Was used in fire extinguishers and as a solvent.

- Also damages ozone, but not commonly used as a refrigerant.

- Chloroform (Option 4):

- Mild anesthetic and solvent; not used in refrigeration or as a major ozone depleting substance.

Correct answer: Option:2, Chlorofluorocarbon

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