Mention the physical qualities and the manner in which these need to be altered for liquefy ingredients gases

Mention the physical qualities and the manner in which these need to b

1.	Mention the physical qualities and the manner in which these need to be altered for liquefy ingredients gases
Answer» Temperature and PRESSURE are the physical QUANTITIES needed for liquefying gases. By decreasing temperature and increasing pressure the gas MOLECULES come together and this LEADS to decrease in kinetic ENERGY of gas molecules and thus it liquifies. Hope my answer is what you were looking for. A thumps up would be appreciated.