LiquidsStructure and Density of Ice36Choose the best answerIce at 0°C occupies more volume than liquid water mainly because of:AEmpty spaces in its structureBIonic bondingCAbsence of intermolecular forcesDDebye forces Like 0 Discuss 0Share
LiquidsCondensation37Choose the best answerCondensation of a vapour into a liquid is accompanied by:AIncrease in molecular energyBIncrease in molecular separationCNo energy changeDDecrease in energy Like 0 Discuss 0Share
LiquidsCondensation38Choose the best answerThe conversion of vapour into liquid is called:ACrystallizationBVaporizationCEvaporationDCondensation Like 0 Discuss 0Share
LiquidsAnomalous Behaviour of Water39Choose the best answerThe temperature of liquid water below the ice layer of a frozen lake is approximately:A0°CB4°CC−2°CD2°C Like 0 Discuss 0Share
LiquidsAnomalous Behaviour of Water40Choose the best answerIce is less dense than liquid water because:AIts hydrogen-bonded structure contains more empty spaceBIt contains ionic bondsCWater molecules lose hydrogen atomsDIce molecules become heavier Like 0 Discuss 0Share