LiquidsBoiling Point1Choose the best answerA liquid boils when:AIts vapour pressure equals the external pressureBIts vapour pressure is always less than atmospheric pressureCIts vapour pressure becomes zeroDIts intermolecular forces disappear completely Like 0 Discuss 0Share
LiquidsBoiling Point2Choose the best answerThe temperature at which the vapour pressure of a liquid becomes equal to the external pressure is its:ACritical temperatureBBoiling pointCMelting pointDTriple point Like 0 Discuss 0Share
LiquidsBoiling Point3Choose the best answerWhy does water have a much higher boiling point than hydrogen sulfide (H₂S)?AWater has a higher molar massBH₂S forms stronger covalent bondsCWater is less polarDWater molecules form strong hydrogen bonds Like 2 Discuss 0Share