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UPSC Civil ServicesPrelims2023General Studies Paper I

Question

QQ20. Consider the following : 1. Aerosols 2. Foam agents 3. Fire retardants 4. Lubricants In the making of how many of the above are hydrofluorocarbons used?

Options

  1. A Only one
  2. B Only two
  3. C Only three
  4. D All four
Show Answer

Correct Answer

C Only three

Model Answer

Answer: option C, as per UPSC's final answer key (Series A).

Syllabus topics

Environment, Ecology, Biodiversity and Climate ChangeGeneral Science and Technology
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2023 — Consider the following : 1. Aerosols 2. Foam agents 3… | Dr. Amit IAS Academy