Class 11 Chemistry States of Matter Critical state and Liquefaction of gases

Easy

Distinguish between vapor and gas.

A
Vapor is a gas below its critical temperature.
B
Gas is a substance above its critical temperature.
C
Vapor can be liquefied by pressure alone.
D
Gas cannot be liquefied by pressure alone.

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Class 11 Questions

Class 11

Chemistry Questions

Chapter

States of Matter

Subtopic

Critical state and Liquefaction of gases

Similar Questions

Explain the liquefaction of real gases and permanent gases.

Medium

The critical temperature $(T_c)$ and critical pressure $(P_c)$ of $CO_2$ are $30.98\,^{\circ}C$ and $73\,atm$ respectively. Can $CO_{2(g)}$ be liquefied at $32\,^{\circ}C$ and $80\,atm$ pressure?

Easy

Which of the following statements is incorrect?

Difficult

Explain how liquefaction can occur in different steps within the same phase using an example.

Medium

$A$ real gas cannot be liquefied in which of the following conditions?

Medium

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