LiquidsHydrogen Bonding and Boiling Point141Choose the best answerWhich compound has the highest boiling point?ANH₃BCH₄CH₂ODHF Like 0 Discuss 0Share
MDCAT Chemistry Past Papers 2024Sindh MDCAT Chemistry Past Paper 2024#Liquids#Surface Tension142Choose the best answerWhich of the following liquids shows maximum surface tension?AWaterBMercuryCEthyl alcoholDChloroform Like 0 Discuss 0Share
LiquidsLiquid–Vapour Dynamic Equilibrium143Choose the best answerWhen evaporation and condensation occur at equal rates in a closed container:AThe liquid disappearsBDynamic equilibrium is establishedCBoiling starts automaticallyDVapour formation stops Like 0 Discuss 0Share
LiquidsHydrogen Bonding and Volume Contraction144Choose the best answerWhen 50 mL ethanol is mixed with 50 mL water, the final volume may be less than 100 mL mainly because of:AVapour pressureBHydrogen bondingCBoilingDChemical reaction Like 0 Discuss 0Share
LiquidsAnomalous Behaviour of Water145Choose the best answerWater shows anomalous expansion when cooled from:A100°C to 0°CB4°C to 0°CC10°C to 4°CD0°C to −10°C Like 0 Discuss 0Share