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UPSC Combined Geo-Scientist

Chemist

  • 2 objective papers
  • 120 questions each
  • 2 h per paper
  • 100 + 300 marks

Prelims Paper II covers chemistry.

UPSC Combined Geo-Scientist, Prelims · 2025 · Paper II, Chemistry · Q15 of 120

Geo-Scientist Prelims 2025 Chemistry Q15: Hydrolysis of NO₂ forms :

Questionp-block / oxides of nitrogen

Hydrolysis of NO₂ forms :

  1. (a) HNO₂
  2. (b) HNO₃
  3. (c) HNO₂ and HNO₃
  4. (d) HNO₃ and NO

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