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UPSC CSE 2026 Chemistry Previous Year Questions

2 questions with answers and explanations. Practice these interactively

Question 1

Which of the following statements with regard to Green Hydrogen is/are correct?

1. It is decarbonized hydrogen obtained from natural gas reforming combined with carbon capture and storage (CCS).

2. It is produced using electrolysis of water with electricity generated by renewable energy.

3. National Green Hydrogen Mission of India aims for abatement of nearly 50 MMT of annual greenhouse gas emissions by 2030.

Select the answer using the code given below:

  1. (a) 1 only
  2. (b) 2 and 3 only
  3. (c) 2 only
  4. (d) 1, 2 and 3

Answer: (b)

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Question 2

Which of the following statements with regard to genetic medicine is/are correct?

1. Genetic medicines correct/compensate for the faulty genes responsible for disease.

2. Engineered viruses and lipid nanoparticles are used as carriers of the genetic medicine.

3. Genetic medicines alter the entire DNA sequence.

Select the answer using the code given below:

  1. (a) 1 only
  2. (b) 2 and 3 only
  3. (c) 1 and 2 only
  4. (d) 1, 2 and 3

Answer: (c)

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