Multiple choice

Which of the following statements is / are correct regarding water vapour? (a) Water vapour is the water that diffuses in the air above its boiling point. (b) Water vapour is water in its liquid state. (c) Fog and mist are forms of water vapour. (d) It is invisible.

  1. Only a

  2. Only b

  3. Only d

  4. Both a and c

  5. Both b and c
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Yes, it is the only correct statement. Water vapour is water in its gaseous state. Cloud, fog, or mist are all liquid water, not water vapour.

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