LiquidsBoiling Point and External Pressure1Choose the best answerFor pure water to boil at 110°C, the external pressure must be:ALess than 760 mmHgBGreater than 760 mmHgCExactly 760 mmHgDZero Like 0 Discuss 0Share
LiquidsBoiling Point and External Pressure2Choose the best answerCooking takes longer under reduced pressure because:AThe boiling point of water decreasesBThe boiling point of water increasesCWater cannot evaporateDHydrogen bonding disappears Like 0 Discuss 0Share
LiquidsBoiling Point and External Pressure3Choose the best answerThe boiling point of a liquid increases when:AExternal pressure increasesBSurface area increasesCAmount of liquid increasesDContainer size increases Like 0 Discuss 0Share
LiquidsBoiling Point and External Pressure4Choose the best answerIf the external pressure on a liquid is reduced from 760 mmHg to 50 mmHg, its boiling point will:ADecreaseBRemain unchangedCIncreaseDBecome independent of pressure Like 0 Discuss 0Share
LiquidsBoiling Point and External Pressure5Choose the best answerThe boiling point of a liquid primarily depends on:AShape of the containerBExternal pressureCAmount of liquidDType of burner Like 0 Discuss 0Share