Question

4. Copper sulphate solution is blue in colour. The beakers show the appearance of the solution at the end of the
following experiments. Match each beaker with the correct experiment.
i
A piece of calcium is dropped into a solution of copper sulphate.
A piece of silver is dropped into a solution of copper sulphate.
Beaker A
Beaker B




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Answer 1

Explanation:

i - beaker b

ii- beaker a

Calcium on reaction with copper sulphate form calcium sulphate which is colorless and transparent on observational basis

In Question , the end results are given in beaker so if calcium react with Cuso4 then only it will look colorless so . i goes with beaker b and the remaining ii goes with beaker a