A gas mixture contains accetylene and carbondioxide. 20 litres of this mixture required 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

A gas mixture contains accetylene and carbondioxide. 20 litres of this

1.	A gas mixture contains accetylene and carbondioxide. 20 litres of this mixture required 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
Answer» `50%` `40%` `60%` `75%` SOLUTION :`C_(2)H_(2) = (20)/(50) XX 100` 1 lit `-(5)/(2)` lit 20 lit - ? 50 lit `%C_(2)H_(2) = (20)/(50) xx 100`