Multiple choice

The substance that does not dissolve in water is ___________.

  1. sugar

  2. common salt

  3. washing soda

  4. sand

  5. copper sulphate crystals
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The substance sand is not soluble in water, as when sand is stir in water, we find that sand settles down at the bottom of the beaker.

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