At high altitudes such as hill stations, water boils at a temperature lower than 100°C, whereas in a pressure

Question

At high altitudes such as hill stations, water boils at a temperature lower than 100°C, whereas in a pressure cooker it boils above 100°C. Which of the following statements correctly explains this phenomenon?

Examoogle · Accepted Answer

Option A: Boiling point of a liquid increases with an increase in atmospheric pressure and decreases with a decrease in atmospheric pressure.

Explanation & Concepts:
Practice and solve "At high altitudes such as hill stations, water boils at a temperature lower than 100°C, whereas in a..." for Basic Science and Engineering - Previous Year Paper 2025. The correct answer is Option A: Boiling point of a liquid increases with an increase in atmospheric pressure and decreases with a decrease in atmospheric pressure.. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.

Examoogle · Answer

Option B: Boiling point of a liquid decreases with an increase in atmospheric pressure and increases with a decrease in atmospheric pressure.

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Option C: Boiling point of a liquid is independent of external pressure and depends only on temperature.

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Option D: Water molecules at high altitude have lower kinetic energy than at sea level, so they boil at a lower temperature.

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