VKC ScienceChemistry for written exams Telegram

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 · 2021 · Paper II, Chemistry · Q37 of 120

Geo-Scientist Prelims 2021 Chemistry Q37: Which one of the following primary standard is usually used to…

QuestionAnalytical chemistry / primary standards

Which one of the following primary standard is usually used to standardize KOH by titration?

  1. (a) Potassium acid phthalate
  2. (b) Sulphuric acid
  3. (c) Hydrochloric acid
  4. (d) Nitric acid

Part of VKC Basic

Read the answer and its explanation with VKC Basic

VKC Basic (₹999 for 6 months) opens every solved answer, the notes, the handbook and the daily answer archive. Every Mains test series includes it.

See what is included Already a member? Sign in

Take this paper offlineAll 120 questions with answers and explanations in one PDF.
Download PDFJoin Telegram