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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 · 2024 · Paper II, Chemistry · Q38 of 120

Geo-Scientist Prelims 2024 Chemistry Q38: Which one among the following compounds does not form primary…

QuestionAnalytical chemistry / primary standards

Which one among the following compounds does not form primary standard solution?

  1. (a) Na₂CO₃
  2. (b) NaOH
  3. (c) ZnO
  4. (d) Potassium hydrogen phthalate

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