LiquidsHydrogen Bonding6Choose the best answerThe higher boiling point of H₂O compared with NH₃ is mainly due to:AIonic bondingBGreater molecular mass onlyCMore extensive hydrogen bonding in waterDLonger O–H bond length Like 0 Discuss 0Share
UHS MDCAT 2024 Chemistry#Boiling Point#Liquids7Choose the best answerIn order to boil water at 110°C, external pressure should be:A200 - 760 torrB760 - 1200 torrC665 - 670 torrD660 - 700 torr Like 0 Discuss 0Share
LiquidsVapour Pressure and Temperature8Choose the best answerWhich property of a liquid changes strongly with temperature?AVapour pressureBMolecular formulaCMolar massDNumber of atoms per molecule Like 0 Discuss 0Share
LiquidsVaporization9Choose the best answerVaporization is always:AEndothermicBExothermicCNeither endothermic nor exothermicDA nuclear process Like 0 Discuss 0Share
LiquidsEquilibrium Vapour Pressure10Choose the best answerThe equilibrium vapour pressure of a pure liquid is primarily controlled by:ATemperatureBSurface areaCAmount of liquid, provided some liquid remainsDShape of the container Like 0 Discuss 0Share