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Matter in Our Surroundings — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceMatter in Our Surroundings1 Mark
MCQ
Gases are liquefied under ______?
  • A
    Low temperature and low pressure
  • B
    High pressure and low temperature
  • C
    High temperature and high pressure
  • D
    None of these
✓

Answer

  1. High pressure and low temperature

Explanation:

Gases are liquefied under high pressure as it helps in bringing the particles closer and low temperature reduces kinetic energy thereby keeping the particles again near to each other and it results in forming liquid.

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