Statement 1: The water pouch of instant cold pack for treating athletic injuries breaks when squeezed and NH4NO3 dissolves in water to lower the temperature.Statement 2: Addition of non-volatile solute into solvent results into depression of freezing point of the solvent.
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a
Both statements 1 and 2 are correct
b
Both statements 1 and 2 are incorrect
c
Statement 1 is correct statement 2 is incorrect
d
Statement 1 is incorrect statement 2 is correct
answer is A.
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Detailed Solution
The water pouch of instant cold pack for treating athletic injuries breaks when squeezed and NH4NO3 dissolves in water to lower the temperature. This is because addition of non-volatile solute into solvent results into depression of freezing point of the solvent.