Page 2 - Home Assignment 5

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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