1.

Statement-1. Vapour pressure of water is less than 1.013 bar at 373K. Statement-2. Water boils at 373 K as the vapour pressure at this temperature becomes equal to atmosphere pressure.

Answer»

Statement-1 is True, Statement-2 is True , Statement-2 is a correct explanation of Statement-1.
Statement-1 is True, Statement-2 is True , Statement-2 is NOT a correct explanation for Statement-1.
Statement-1 is True, Statement-2 is FALSE.
Statement-1 is False, Statement-2 is True.

Solution :Correct Statement - 1. At 373 K, i.e., `100^(@)C`, the vapour presssure of water is equal to 1 ATMOSPHERE which is equal to 1.013 BAR.


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