The number of litres of air required to burn 8 litres of `C_(2)H_(4)` is approximately :-

The number of litres of air required to burn 8litres of C_(2)H_(2) is approximately (air contains 20% " of "O_(2) )

How many litre of oxygen at STP is required to burn 60 g C_(2)H_(6) ?

How many litre of oxygen at STP is required to burn 60 g C_(2)H_(6) ?

The number of millimoles of H_(2)SO_(4) present in 5 litres of 0.2N H_(2)SO_(4) solution is

The number of molecules in one litre of air at STP is

5 litre-atmosphere is approximately equal to

One litre-atmosphere is approximately equal to-

One litre-atmosphere is approximately equal to

One litre-atmosphere is approximately equal to