GasesConditions for Real Gas Behaviour71Choose the best answerReal-gas behaviour becomes most significant under:AHigh temperature and low pressureBLow temperature and high pressureCHigh temperature and high pressure onlyDLow temperature and very low pressure Like 0 Discuss 0Share
GasesAverage Kinetic Energy of Gases72Choose the best answerAs the temperature of a gas increases, its average molecular kinetic energy:ADecreasesBRemains constantCIncreasesDBecomes independent of temperature Like 0 Discuss 0Share
GasesPressure Units73Choose the best answerThe SI unit of pressure is:ATorrBPascal (Pa)CmmHgDAtmosphere Like 0 Discuss 0Share
GasesLiquefaction of Gases and Critical Temperature74Choose the best answerA gas can be liquefied most effectively by:AIncreasing temperature onlyBDecreasing pressure onlyCCooling it below its critical temperature and applying pressureDHeating it above its critical temperature Like 0 Discuss 0Share
GasesCharles's Law75Choose the best answerA gas occupies 546 cm³ at 0°C. What volume will it occupy at 100°C at constant pressure?A373 cm³B0 cm³C746 cm³D1092 cm³ Like 0 Discuss 0Share