ICSE Class 9 Answered
What are physical and chemical tests for water?
Asked by Topperlearning User | 29 Sep, 2016, 05:01: PM
Expert Answer
Tests for Water
Physical Tests
Water can be tested by the verification of any of its physical properties such as boiling point and freezing point.
Chemical Tests
On adding a few drops of water to white anhydrous copper sulphate, it changes to blue due to formation of hydrated copper sulphate (CuSO4.5H2O). On adding water to blue crystals of cobalt chloride, it turns pink (COCl2.6H2O).
Answered by | 29 Sep, 2016, 07:01: PM
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