BPSC – Combined Competitive Examination · প্রশ্ন 20
Which of the following represents the suitable condition for the liquefaction of gases?
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) Low temperature, high pressure
ব্যাখ্যা
Gases liquefy when cooled below their critical temperature and compressed.
- (A) সঠিক
Correct: cooling slows molecules and pressure pushes them together.
- (B) ভুল
Wrong: low pressure keeps molecules apart.
- (C) ভুল
Wrong: high temperature resists liquefaction.
- (D) ভুল
Wrong: the opposite of what is needed.