Chemical effects of electric current Worksheet-1

Chemical effects of electric current Worksheet-1

1. Most liquids that conduct electricity are solutions of ____, ____, and _____.

2. The passage of an electric current through a solution causes ______ effect.

3. If you pass current through copper sulphate solution, copper gets deposited on the plate connected to the ______ terminal of the battery.

4. The process of depositing a layer of any desired metal on another metallic object, by means of electricity, is called ______.

5. The closed path through which the current flows is called ______.

6. The deflection in ______ shows that current is passing.

7. Distilled water is an ______ of the electricity.

8. Flow of negatively charged electrons is called ______.

9. Most of the conducting liquids are the solutions of______, ______ and _____.

10. An electric lamp glows due to ______ effect of electric current.

11. Most liquids that conduct electricity are solutions of _____, _____ and _____.

12. If you pass current through copper sulphate solution, copper gets deposited on the plate connected to the ______ terminal of the battery.

13. The process of depositing a layer of any desired metal on another material by means of electricity is called _____.

Answer Key:

1. acids, bases, salts

2. Chemical

3. Negative

4. electroplating

5. Circuit

6. magnetic compass

7. Insulator

8. electric current

9. acids, bases, salts

10. Heating

11. acids, bases, salts

12. Negative

13. Electroplating