Multiple choice

Purest form of water is

  1. River water

  2. Sea water

  3. Rain water

  4. Tube-well water
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Rain water is considered the purest natural form of water because it evaporates from water bodies, leaving most impurities behind, and condenses as relatively pure water. River water contains dissolved minerals and pollutants, sea water is salty, and tube-well water contains dissolved minerals from underground. Rain water has the least mineral content and contaminants.

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