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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 · 2020 · Paper I, General Studies · Q85 of 120

Geo-Scientist Prelims 2020 General Studies Q85: Number of states of matter known so far is:

QuestionChemistry / states of matter

Number of states of matter known so far is:

  1. (a) 3
  2. (b) 4
  3. (c) 5
  4. (d) 6

Answer: (c) 5

NCERT counts five states: solid, liquid, gas, plasma and Bose–Einstein condensate. More exotic states exist, but 5 is the textbook answer.

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