The questions below consist of Assertion (A) and Reason (R). Use the following key to select the correct answer:
(a) If both assertion and reason are correct and the reason is the correct explanation for the assertion.
(b) If both assertion and reason are correct but the reason is not the correct explanation for the assertion.
(c) If the assertion is correct but the reason is incorrect.
(d) If the assertion is incorrect but the reason is correct.
Assertion: A mixture of ammonium chloride and sand can be easily separated.
Reason: Ammonium chloride is water-soluble while sand is not.
The questions below consist of Assertion (A) and Reason (R). Use the following key to select the correct answer:
(a) If both assertion and reason are correct and the reason is the correct explanation for the assertion.
(b) If both assertion and reason are correct but the reason is not the correct explanation for the assertion.
(c) If the assertion is correct but the reason is incorrect.
(d) If the assertion is incorrect but the reason is correct.
Assertion: A mixture of ammonium chloride and sand can be easily separated.
Reason: Ammonium chloride is water-soluble while sand is not.
The correct option is B (b)
The given assertion that a mixture of ammonium chloride and sand can be easily separated is correct.
The reason that ammonium chloride is water-soluble while sand is not is also correct but it is not the correct explanation of the given assetion.
Ammonium chloride is sublime. It will undergo sublimation i.e, directly convert into vapor from solid without entering into a liquid stage. As soon as ammonium chloride is sublime, sand will be left behind, thus separating ammonium chloride and sand.
(b)
The given assertion that a mixture of ammonium chloride and sand can be easily separated is correct.
The reason that ammonium chloride is water-soluble while sand is not is also correct but it is not the correct explanation of the given assetion.
Ammonium chloride is sublime. It will undergo sublimation i.e, directly convert into vapor from solid without entering into a liquid stage. As soon as ammonium chloride is sublime, sand will be left behind, thus separating ammonium chloride and sand.
