Assertion : The water pouch of instant cold pack for treating ath… - Vidyadip

MCQ

Assertion : The water pouch of instant cold pack for treating athletic injuries breaks when squeezed and $NH_4NO_3$ dissolves lowering the temperature.

Reason : Addition of non-volatile solute into solvent results into depression of freezing point of the solvent.

✓
If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
B
If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
C
If the Assertion is correct but Reason is incorrect.
D
If both the Assertion and Reason are incorrect.

✓

Answer

Correct option: A.

If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.

a
$A$ is true and $B$ is also true and $B$ is correct explanation of $A$.

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