Question

. When water boils, its temperature:
(a) decreases
(b) increases
(c) remains the same
(d) first increases and then decreases

Answer 1

Answer:

d)first increases then decreases

Explanation:

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Answer 2

Given:

When water boils, its temperature.

To Find:

Conversion of water into steam is a phase change and this occurs due to weakening of inter-molecular forces between water molecules.

So, during phase change there is no increase or decrease in temperature and the heat supplies is use as latent heat of vaporization.

Option (C) is correct.

Therefore, the temperature remains same when water boils.