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
LiquidsVapour Pressure and Temperature7Choose the best answerWhich property of a liquid changes strongly with temperature?AVapour pressureBMolecular formulaCMolar massDNumber of atoms per molecule Like 0 Discuss 0Share
LiquidsVaporization8Choose the best answerVaporization is always:AEndothermicBExothermicCNeither endothermic nor exothermicDA nuclear process Like 0 Discuss 0Share
LiquidsEquilibrium Vapour Pressure9Choose 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
LiquidsDipole-Induced Dipole Forces10Choose the best answerWhich pair primarily exhibits dipole-induced dipole (Debye) forces?AAr and ArBAr and H₂OCNa⁺ and H₂ODC₂H₅OH and H₂O Like 0 Discuss 0Share