Multiple choice

As water drops appear on the outer surface of the glass containing cold water, the state of water changes from

  1. liquid to liquid

  2. gas to liquid

  3. solid to liquid

  4. gas to solid
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Water drops appear on the outer surface of glass containing cold water. The cold surface of the glass containing cold water cools the air around it, and the water vapour of the air condenses to form water droplets on the surface of the glass. Thus, it is a process of change of gaseous state into liquid state.

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