`{:("Column-I"," Column-II "),("A) If temperature of given gas is increased ","P) Average speed of gas molecules will increase "),("B) If the pressure of the given gas increased ","Q) Root mean square speed of gas molecule "),(" at constant temperature "," will increase "),("C) If the density of a given gas is lowered ","R) Most probable speed of gas molecule will "),(" at constant temperature "," increase "),("D) If the volume of a given gas is increased ","S) Speed of gas molecules will not change "),(" at constant temperature ",):}`

Explanation

a) `T uarr` all velocities `uarr`
b,c,d) at constant T velocities don.t change.