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Is Matter Around Us Pure ? — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceIs Matter Around Us Pure ?2 Marks
Question
You are given two liquids, one a solution and the other a compound. How will you distinguish the solution from the compound?
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Answer

Evaporate both the liquids separately. A pure compound will evaporate completely, leaving no residue whereas solution will not be evaporated completely, i.e. some residue will be left behind.

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