1. What is the process of depositing a layer of metal using electricity called?
2. Which solution conducts electricity?
3. What are substances called that allow electricity to pass through them?
4. Which metal is commonly used for electroplating?
5. What happens to water during electrolysis?
6. Which device is used to test conductivity of liquids?
7. What kind of change occurs in electroplating?
8. What is the role of electrodes in electrolysis?
9. Which gas is released at the cathode during electrolysis of water?
10. Which of the following is not a good conductor?
11. What is the process called when electric current passes through a liquid and causes chemical changes?
12. Which of the following liquids is the poorest conductor of electricity?
13. What is deposited at the cathode in the electrolysis of copper sulfate solution using copper electrodes?
14. What do we call a solution that conducts electricity?
15. What happens at the anode during electrolysis of water?
16. Which of the following metals is most commonly used for electroplating?
17. Why is electroplating done?
18. Which electrode is positively charged in an electrolytic cell?
19. In electrolysis, which ion is attracted to the cathode?
20. Which of the following materials is used to test the chemical effect of electric current?
21. Why does a bulb not glow in a circuit with distilled water?
22. Which metal is used in electroplating jewellery?
23. What is the purpose of adding acid to water in electrolysis?
24. What are the electrodes in electrolysis made of?
25. Which ion is released at the cathode during electrolysis of acidified water?
26. What happens when a current is passed through copper sulfate using carbon electrodes?
27. What kind of chemical change occurs in electrolysis?
28. Which of the following solutions conducts electricity best?
29. What is the use of graphite rods in electrolysis?
30. What kind of change is rusting of iron?
31. What forms at the anode in electrolysis of acidified water?
32. What is an application of the chemical effect of electric current?
33. Why is the LED used in testing conductivity?
34. What happens to copper atoms at the anode in electroplating?
35. What are ions?
36. What color change indicates chemical effect in copper sulfate electrolysis?
37. What is the chemical formula of copper sulfate?
38. What effect of electric current is used in electrolysis?
39. Which of these is a weak conductor?
40. Which ion is produced when acid is added to water?