Assertion :Salt water is sprinkled in cold countries to remove ice on roads. Reason: Melting point increases by addition of soluble impurities.

Choose the correct options.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Assertion is incorrect but Reason is correct

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Solution

The correct option is C Assertion is correct but Reason is incorrect
Salt acts bylowering the freezing point of water througha process called freezing point depression. The freezing point of the water is lowered once the salt is added, so the salt makes it more difficult for water to freeze.

So, Assertion is correct but Reason is incorrect.

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Similar questions

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Reason: $C a C O_{3}$ which decomposes into $C a O$ and $C O_{2}$ . The $C a O$ formed reacts with $S i O_{2}$ to remove silica

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Assertion: All the points (1, 0), (-1, 0), (2, 0) and (5, 0) lie on the x – axis.

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Now, choose the correct option.

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