LiquidsSurface Tension41Choose the best answerWhich liquid has the highest surface tension among the following?AHexaneBMercuryCWaterDEthanol Like 0 Discuss 0Share
LiquidsDistribution of Molecular Energies42Choose the best answerThe molecular energies in a liquid are:ANot equally distributedBMinimum for all molecules at the bottomCMaximum for all molecules in the middleDNegligible at the surface Like 0 Discuss 0Share
LiquidsStructure and Density of Ice43Choose the best answerIce at 0°C occupies more volume than liquid water mainly because of:AEmpty spaces in its open structureBIonic bondingCUnpaired electronsDDebye forces Like 0 Discuss 0Share
LiquidsAnomalous Behaviour of Water44Choose the best answerIn a frozen lake, the relatively warm liquid water near the bottom is approximately:A10°CB4°CC0°CD−4°C Like 0 Discuss 0Share
LiquidsVapour Pressure and Intermolecular Forces45Choose the best answerWhich liquid has the lowest vapour pressure at 20°C?ADiethyl etherBChloroformCCarbon tetrachlorideDWater Like 0 Discuss 0Share