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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 · 2024 · Paper II, Chemistry · Q53 of 120

Geo-Scientist Prelims 2024 Chemistry Q53: In a free expansion process

QuestionThermodynamics / free expansion

In a free expansion process

  1. (a) the work done is zero and the heat transfer is zero
  2. (b) the work done is zero but the heat flows into the system
  3. (c) work is done by the system but the heat transfer is zero
  4. (d) work is done on the system and the heat flows out of the system

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