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UPSC Combined Geo-Scientist

Chemist

  • 2 objective papers
  • 120 questions each
  • 2 h per paper
  • 100 + 300 marks

Prelims Paper I covers general studies.

UPSC Combined Geo-Scientist, Prelims · 2026 · Paper I, General Studies · Q74 of 120

Geo-Scientist Prelims 2026 General Studies Q74: The manufacturing of Vanaspati Ghee from polyunsaturated vegetable…

QuestionChemistry / Applied chemistry

The manufacturing of Vanaspati Ghee from polyunsaturated vegetable oils involves which one of the following processes?

  1. (a) Refining of oil
  2. (b) Oxidation of oil
  3. (c) Hydrogenation of oil
  4. (d) Reduction of oil

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