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UPSC Civil Services (Mains)

Chemistry optional

  • 2 papers
  • 250 marks each
  • 3 h per paper
  • 5 of 8 questions, Q1 and Q5 compulsory

Paper I covers physical and inorganic chemistry.

All years
Paper I, physical and inorganic chemistry

Solution, 2020

UPSC Civil Services (Mains), Chemistry optional. 45 pages. All eight questions are answered.

Question paperSolutions are for reading on this site and are not offered as a download.Civil Services PYQ books
Every question of 2020, one page each39 parts in 8 questions, with the question as text and its full model answer

Question 1 50 marks

Question 2 50 marks

Question 3 50 marks

Question 4 50 marks

Question 5 50 marks

Question 6 50 marks

Question 7 50 marks

Question 8 50 marks

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