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UPSC Combined Geo-Scientist

Chemist

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

Prelims Paper II covers chemistry.

UPSC Combined Geo-Scientist, Prelims · 2026 · Paper II, Chemistry · Q69 of 120

Geo-Scientist Prelims 2026 Chemistry Q69: The Henry’s Law constant (for the dissolution of gases in liquids)…

QuestionSolutions / Henry's law

The Henry’s Law constant (for the dissolution of gases in liquids) has the unit of

  1. (a) Pa
  2. (b) kg mol⁻¹
  3. (c) mL
  4. (d) K kg mol⁻¹

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Topic notes: solutions: Raoult’s and Henry’s laws, non-ideal solutions, colligative properties, the van ’t Hoff factor and activity, with every Civil Services, IFoS and Geo-Scientist PYQ →

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