Multiple choice

In which of the following cases does water (liquid) change to ice (solid) form? (1) Increase in pressure (2) Decrease in pressure (3) Increase in surface tension (4) Decrease in surface tension

  1. Only (1)

  2. Only (2)

  3. Only (1) and (3)

  4. Only (1) and (4)
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

(a) With the increase in pressure, the water molecules come closer to each other and solidify. (b) With increase in surface tension of water, it leads to freezing by compressing the molecules of water.

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