UPSC Civil Services 2025 Prelims General Studies Paper I
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Question : 45 of 100
Marks:
+1,
-0
Consider the following substances :
I. Ethanol
II. Nitroglycerine
III. Urea
Coal gasification technology can be used in the production of how many of them?
I. Ethanol
II. Nitroglycerine
III. Urea
Coal gasification technology can be used in the production of how many of them?
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