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Question
When heat is constantly supplied by a burner to boiling water, then the temperature of water during vaporisation :
Options
rises very slowly
rises rapidly until steam is produced
first rises and then becomes constant
does not rise at all
MCQ
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Solution
Does not rise at all
Temperature of the water during vaporisation does not change at all because the heat is used in overcoming particle-particle attraction forces, which in turn keeps the temperature constant.
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