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• 2025 · Question 45 · Chemistry

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

  Choose your answer

  (a)Only one(b)Only two(c)All the three(d)None

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  Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)