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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 · 2021 · Paper II, Chemistry · Q62 of 120

Geo-Scientist Prelims 2021 Chemistry Q62: Compared to pure water, 1 M sugar-water solution will have a:

QuestionSolutions / colligative properties

Compared to pure water, 1 M sugar-water solution will have a:

  1. (a) Lower vapor pressure, lower boiling point and lower freezing point
  2. (b) Lower vapor pressure, lower boiling point and higher freezing point
  3. (c) Lower vapor pressure, higher boiling point and lower freezing point
  4. (d) Higher vapor pressure, higher boiling point and higher freezing 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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