Assertion :At high altitudes, liquids boil at lower temperatures in comparison to that at sea level. Reason: At high altitudes, atmospheric pressure is low.

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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Both Assertion and Reason are incorrect

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
At higher altitudes, the atmospheric pressure is decreased. Due to a decrease in the external pressure, the boiling point also decreases in comparision with that of sea level.
$⟹$ At high altitudes liquids boil at a lower temperature.

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