NextMockপরীক্ষা খুঁজুন, যেমন SSC CGL, UPPSC, Lekhpal
UPSC PYQPrelims 2025

Civil Services Examination · প্রশ্ন 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
উত্তর দেখান ও ব্যাখ্যা

উত্তর: (B) Only two

ব্যাখ্যা

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