Statement I
Water boils at a lower temperature at high altitudes compared to low altitudes
Because
Statement II
The vapor pressure of water is lower at higher altitude

Statement 1 and Statement 2 are correct and Statement 2 is the correct explanation of Statement 1

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Both the Statement 1 and Statement 2 are correct and Statement 2 is not the correct explanation of Statement 1.

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Statement 1 is correct but Statement 2 is not correct.

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Statement 1 is not correct but Statement 2 is correct.

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Both the Statement 1 and Statement 2 are not correct.

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Solution

The correct option is D Statement 1 is correct but Statement 2 is not correct.
Answer(C)
At high altitudes, the air is thinner and the atmospheric pressure is less than at sea level. Water molecules can escape as vapor at much lower energies, so water will boil at a lower temperature. The higher the altitude, the lower the boiling point.
The vapor pressure of water is higher at higher altitude,so statement 2 is not correct but statement 1 is correct.

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Statement IWater boils at a lower temperature at high altitudes compared to low altitudesBecauseStatement IIThe vapor pressure of water is lower at higher altitude

Statement I
Water boils at a lower temperature at high altitudes compared to low altitudes
Because
Statement II
The vapor pressure of water is lower at higher altitude