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 I covers general studies.

UPSC Combined Geo-Scientist, Prelims · 2025 · Paper I, General Studies · Q32 of 120

Geo-Scientist Prelims 2025 General Studies Q32: Separation of the isotope of uranium requires a physical method…

QuestionIsotopes / isotope separation

Separation of the isotope of uranium requires a physical method rather than a chemical method. It is so mainly because

  1. (a) it is too dangerous to mix other chemicals with uranium
  2. (b) the isotopes are chemically the same element
  3. (c) the isotopes differ in number of neutrons
  4. (d) natural uranium contains only 0·7% U-235

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