" The gas that gives superfluid on cooling at "2.2K" is "

A gas changes to a liquid on cooling. Why?

The gas that liquefies first, when cooled from 500K to its critical temperature given in parenthesis is

The gas that liquefies first, when cooled from 500 K to its critical temperature given in parenthesis is "____________" .

The gas that liquefies first, when cooled from 500 K to its critical temperature given in parenthesis is "____________" .

The process of converting gas into liquid on cooling is called

The rate of cooling at 600 K, if surrounding temperature is 300 K is R. The rate of cooling at 900 K is

The rate of cooling at 600 K, if surrounding temperature is 300 K is R. The rate of cooling at 900 K is

The rate of cooling at 600 K . If surrounding temperature is 300 K is H . The rate of cooling at 900 K is

The rate of cooling at 600 K . If surrounding temperature is 300 K is H . The rate of cooling at 900 K is