State PCS PYQPrelims 2024

BPSC – Combined Competitive Examination · ప్రశ్న 20

Which of the following represents the suitable condition for the liquefaction of gases?

  1. Low temperature, high pressure
  2. Low temperature, low pressure
  3. High temperature, high pressure
  4. High temperature, low pressure
సమాధానం చూపించు & వివరణ

సమాధానం: (A) Low temperature, high pressure

వివరణ

Gases liquefy when cooled below their critical temperature and compressed.

  • (A) సరైనది

    Correct: cooling slows molecules and pressure pushes them together.

  • (B) తప్పు

    Wrong: low pressure keeps molecules apart.

  • (C) తప్పు

    Wrong: high temperature resists liquefaction.

  • (D) తప్పు

    Wrong: the opposite of what is needed.