`5L` of an alkane requires `25L` of oxygen for its complete combustion. If all volumes are measured at constant temperature and pressure, the alkane is :

A gas mixture contains acetylene and carbondioxide. 20 litres of this mixture requires 20 litres of oxygen for complete combustion. If all gases are measured under similar conditions of temperature and pressure, the percentage of acetylene in the mixture is

What is volume of oxygen required for the complete combustion of 4 litres of ethane?

Calculate the volume of oxygen required for the complete combustion of 0.25 moles of methane at STP.

The volume of oxygen necessary for the complete combustion of 20 L of propane is

The volume of oxygen required for the complete combustion of 20 ml cyclopropane is