Small value of a means, gas can be easily liqueifed.

For real gases, at high temperature Z = 0 small value of a means gas can be easily liquefied.

A gas can be easily liquefied "________________" .

Critical temperature of some substance are given below: Which of the above gas can be easily liquified?

Which can be easily oxidised ?

Greater the critical temperature of a gas, more easily the gas can be liquefied.

Find out the incorrect statement. (a) There are several pairs of constrasting characters of allotrophic traits (b) Hybrids remain infertile (c) Plants can be self fertilized (d) Small herbaceous plants can be easily cultivated