LiquidsVapour Pressure of Water31Choose the best answerAt 100°C, the vapour pressure of water is:A260 mmHgB760 mmHgC1074 mmHgD1489 mmHg Like 0 Discuss 0Share
LiquidsVapour Pressure32Choose the best answerWhich statement is incorrect?AEvaporation can occur spontaneouslyBEvaporation is a surface phenomenonCVapour pressure decreases as temperature increasesDA non-volatile solute can lower the vapour pressure of a solvent Like 0 Discuss 0Share
LiquidsEvaporation33Choose the best answerEvaporation involves:AAbsorption of heatBNo energy changeCRelease of heatDFormation of ionic bonds Like 0 Discuss 0Share
LiquidsAnomalous Behaviour of Water34Choose the best answerLiquid water beneath an ice layer remains near:A0°CB4°CC−2°CD20°C Like 0 Discuss 0Share
LiquidsLatent Heat of Condensation35Choose the best answerWhich causes a more severe burn at the same contact conditions?AWater at 20°CBWater at 80°CCWater at 100°CDSteam at 100°C Like 0 Discuss 0Share