Page 2 - HA-5-Class Activity Worksheet-3
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SAI INTERNATIONAL SCHOOL
                                                      Class - VI
                                               Subject - Chemistry
                                          Topic – Changes Around Us
            Sub-Topic – Physical Change, Chemical Change, and their Properties

                                              Activity Worksheet – 3



               1.   Dilute copper sulphate solution is used in the above activity. What is the role of
                   dilute copper sulphate solution?

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               2.  What would happen if copper sulphate crystal will be taken in the beaker instead
                   of dilute copper sulphate solution?


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               3.  Did you observe the change in colour taking place in the dilute copper sulphate
                   solution when connecting wire is connected to the battery, if so why?

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               4. Did you observe the change taking place in the iron nail? What does it indicate?


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               5.  List all of your observations when an electric current is allowed to pass through
                   the dilute copper sulphate solution. (In the above activity)


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