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Assertion (A): In rainy season, common s...

Assertion (A): In rainy season, common salt becomes damp after sometime on keeping.
Reason (R ): Common salt (NaCI) is hygroscopic in nature.

A

If both (A) and (R ) are correct and (R ) is the correct explanation of (A).

B

If both (A) and (R ) are correct, but (R ) is not the correct explanation of (A).

C

If (A) is correct, but (R ) is incorrect.

D

If (A) is incorrect, but (R ) is correct.

Text Solution

Verified by Experts

The correct Answer is:
C
Correct reason: Common salt contains `MgCI_(2),CaCI_(2)` as impurities, which are hydroscopic.
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Knowledge Check

  • Assertion . In rainy season , common salt becomes damp after some time on keeping in air . Reason . Common salts in NaCl which is hygroscopic in nature .

    A
    If both assertion and reason are true, and reason is the true explanation of the assertion.
    B
    If both assertion and reason are true, but reason is not the true explanation of the assertion.
    C
    If assertion is true, but reason is false
    D
    If both assertion and reason are false.

  • Assertion (A): When common salt is kept open, it absorbs moisture from the air. Reason (R ): Common salt contains magnesium chloride.

    A
    Both A and R are true and R is the correct explanation of A.
    B
    Both A and R are true but R is NOT the correct explanation of A.
    C
    A is true but R is false.
    D
    A is false and R is True.

  • Crude common salt is hygroscopic because of impurities of

    A
    `CaSO_(4)` and `MgSO_(4)`
    B
    `CaCl_(2)` and `MgCl_(2)`
    C
    `CaBr_(2)` and `MgBr_(2)`
    D
    `Ca(HCO_(3))_(2)` and `Mg(HCO_(3))_(2)`.

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