Multiple choice general knowledge

Liquid air looks like water with a ----- tint

  1. reddish

  2. goldish

  3. bluish

  4. greyish
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Liquid air has a faint bluish color because liquid oxygen (one of its main components) is pale blue. This gives liquid air a water-like appearance with a blue tint.

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