CBSE 8 Science - Chemical Effects of Electric Current - Revision Assignment

1. Define

a) Electrolysis

b) Electrolyte

c) Anode

d) Electroplating

2. Sometimes you may find that although the liquid is conducting , yet the bulb of the circuit does not glow. Why?

3. List some uses of electroplating.

4. Describe with a well labelled diagram,how do you test the conductivity of a given liquid.

5. Distilled wateris a poor conductor of electricity while tap water or rain water is a good conductor of electricity. Explain.

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