Note : In the following questions a statement of assertion followed...

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Note : In the following questions a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices.
\( \mathrm{P} \)
(i) Assertion and reason both are correct statements and reason is correct
W explanation for assertion.
(ii) Assertion and reason both are correct statements but reason is not correct explanation for assertion.
(iii) Assertion is correct statement but reason is wrong statement.
(iv) Assertion and reason both are incorrect statements.
(v) Assertion is wrong statement but reason is correct statement.
Assertion : When \( \mathrm{NaCl} \) is added to water a depression in freezing point is observed.

Reason : The lowering of vapour pressure of a solution causes depression in the freezing point.
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