LiquidsEffects of Intermolecular Forces86Choose the best answerStronger intermolecular forces generally increase:AHeat required for phase changeBBoiling pointCViscosityDAll of these Like 0 Discuss 0Share
LiquidsPressure Cooker and Boiling Point87Choose the best answerFood cooks faster in a pressure cooker because:AThe boiling point of water increasesBThe boiling point of water decreasesCWater evaporates at room temperatureDAtmospheric pressure outside becomes zero Like 0 Discuss 0Share
LiquidsEvaporation88Choose the best answerEvaporation is:AExothermicBEndothermicCNon-spontaneousDIndependent of molecular energy Like 0 Discuss 0Share
LiquidsHydrogen Bonding89Choose the best answerNH₃ has an anomalously high boiling point compared with PH₃ and AsH₃ mainly because NH₃:AForms intermolecular hydrogen bondsBIs ionicCHas the greatest molar massDHas no lone pair Like 0 Discuss 0Share
LiquidsVolatility of Hydrogen Halides90Choose the best answerWhich hydrogen halide is the most volatile?AHFBHBrCHClDHI Like 0 Discuss 0Share