Chemical Effects of Electric Current

Chemical effects of electric current Worksheet-4

11. Give two examples of good conductors of electricity.

12. Why is it dangerous to touch an electrical appliance with wet hands?

13. What are insulators (poor conductors) of electricity?

14. Give two examples of poor conductors of electricity.

15. What is electric current?

16. Do liquids conduct electricity?

Chemical effects of electric current Worksheet-5

41. Define electroplating

42. Is air a conductor or an insulator?

43. What do you mean by electric current?

44. What is a tester?

45. How can you test liquids conduct or not conduct the electricity?

46. Show that lemon juice and vinegar are good conductor of electricity.

Chemical effects of electric current Worksheet-6

1. Classify the following liquids into conductors and insulators :

Lemon juice, distilled water, tap water, milk.

2. What are electrodes?

3. What is an electrolyte?

4. What happens when an electric current is passed through a conducting solution?

5. Define electroplating.

6. Which is the most common application of chemical effect of current?