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NDA 2023 GAT · General Knowledge · Carbon and Organic Chemistry · easy

A strong-smelling compound, ethanethiol, is added to LPG cylinders mainly to

Single correct option

A strong-smelling compound, ethanethiol, is added to LPG cylinders mainly to
  1. A. Increase the calorific value
  2. B. Reduce the cost
  3. C. Prevent explosion in the cylinder
  4. D. Help detect gas leaks
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Answer: (D) Help detect gas leaks

LPG is odourless, so a small amount of ethanethiol is mixed in. Its pungent smell warns of a leak before the gas reaches a dangerous concentration. It does not change the heating value of the fuel.
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Original question written in the NDA 2023 GAT pattern and checked twice for the correct answer. Not an official question paper. How we write and check questions · Corrections policy · Report a mistake