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UPSC PYQPrelims 2025

Civil Services Examination · Question 5

Consider the following substances: I. Ethanol II. Nitroglycerine III. Urea Coal gasification technology can be used in the production of how many of them?

  1. Only one
  2. Only two
  3. All the three
  4. None
Show answer & explanation

Answer: (B) Only two

Explanation

Syngas from coal gasification can be converted to ethanol and used to make ammonia (for urea); nitroglycerine is not produced this way.