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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 · 2022 · Paper II, Chemistry · Q42 of 120

Geo-Scientist Prelims 2022 Chemistry Q42: Consider the following statements :

QuestionGaseous state / absolute temperature

Consider the following statements :

  1. Statement-1 : At the zero of the absolute scale of temperature, the limiting value of pV [denoted by (pV_m)₀] is zero.
  2. Statement-2 : The temperature −273·15 °C is the natural or true zero.

Which one of the following is correct in respect of the above statements?

  1. (a) Both Statement-1 and Statement-2 are true
  2. (b) Statement-1 is true but Statement-2 is false
  3. (c) Statement-1 is false but Statement-2 is true
  4. (d) Both Statement-1 and Statement-2 are false

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