Question

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Question 2.At higher altitudes:
(a) Boiling point of a liquid decreases
(b)Boiling point of a liquid increases
(c) No change in boiling point
(d) Melting point of solid increases​

Answer 1

Answer:

Explanation:

a) boiling point of liquid decreases because at  high altitude there is thin atmosphere which causes water or liquid to get vaporated fast

Answer 2

Answer:

At higher altitudes boiling point of a liquid decreases

Explanation:

To boil water, you need to apply energy in the form of heat. As energy is transferred to the water molecules, they begin to break the bonds holding them together. The water will boil or turn to vapor as soon as its internal vapor pressure equals the pressure exerted on it by the atmosphere. When that occurs, bubbles begin to form and the water boils.

When atmospheric pressure is lower, such as at a higher altitude, it takes less energy to bring water to the boiling point. Less energy means less heat, which means water will boil at a lower temperature at a higher altitude.

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