MDCAT Chemistry Past Paper 2023#Capillary Action#Liquids151Choose the best answerWater rises in a capillary tube because of: (MDCAT 2023)ACohesive force & adhesive forces are the sameBAdhesive forces of molecules exceed cohesive forceCCohesive force is greater than adhesive forceDCohesive force and adhesive force to explain the property in the above question is irrelevant Like 0 Discuss 0Share
LiquidsVacuum Distillation and Boiling Point152Choose the best answerIn vacuum distillation, the boiling temperature is lowered mainly by:AIncreasing pressureBDecreasing pressureCIncreasing heating rateDIncreasing surface tension Like 0 Discuss 0Share
LiquidsIntermolecular Forces and Evaporation153Choose the best answerIf the intermolecular-force strength follows A < B < C, which substance has the greatest tendency to evaporate?ABBCCA and B equallyDA Like 0 Discuss 0Share
LiquidsEvaporation154Choose the best answerWhich property is NOT associated with evaporation?AIt is continuousBIt is exothermicCIt causes coolingDIt is spontaneous Like 0 Discuss 0Share
LiquidsBoiling Point and External Pressure155Choose the best answerThe boiling point of a liquid primarily depends on:AShape of the containerBExternal pressureCAmount of liquidDType of burner Like 0 Discuss 0Share