Question

4) 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:

At higher altitudes boiling point of liquid decreases because of low pressure as compared to sea level. Since low pressure prevails at higher altitude so less amount of energy i.e. less heat is required to boil the water.

Explanation:

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Answer 2

Answer:

Boiling point of a liquid decreases