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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 · 2025 · Paper II, Chemistry · Q66 of 120

Geo-Scientist Prelims 2025 Chemistry Q66: Which one of the following is not a colligative property ?

QuestionSolutions / colligative properties

Which one of the following is not a colligative property ?

  1. (a) Depression of freezing point
  2. (b) Relative lowering of vapour pressure
  3. (c) Molar refractivity
  4. (d) Elevation of boiling point

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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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