The four tyres of a motor car are filled with CO_(2) , He, H_(2)and O_(2)respectively. The order in which they are to be reinflated is

The four tyres of a motor car are filled with CO_(2) , He, H_(2)and O_

1.	The four tyres of a motor car are filled with CO_(2) , He, H_(2)and O_(2)respectively. The order in which they are to be reinflated is
Answer» `CO_2, O_2, He, H_2` `H_2, He, O_2, CO_2` `H_2, He, CO_2, O_2` `H_2, O_2, He, CO_2` ANSWER :B