Chemical Effects of Electric Current
Q.1. What is electric current?
Q.2. Give three effects of electric current.
Q.3. What are conductors?
Q.4. Name three good metal conductors.
Q.5. What are insulators?
Q.6. Give three examples of insulators.
Q.7. How to find out whether a substance is conductor or insulator?
Q.8. What are electrolytes?
Q.9. What is electric conduction in electrolytes called?
Q.10. What is the full form of LED?
Q.11. What can be added to distilled water to make it a conductor?
Q.12. What is the heating effect of electric current?
Q.13. What is the magnetic effect of electric current?
Q.14. Which phenomenon did William Nicholson show with electric current?
Q.15. What is the chemical effect of electric current?
Q.16. Give an example of the chemical effect of electric current.
Q.17. What is electrolysis?
Q.18. What are the two categories of conductors?
Q.19. What are metallic conductors? Give examples.
Q.20. What are electronic conductors? Give examples.
Q.21. What are electrolytic conductors? Give examples.
Q.22. Do electrolytes conduct electricity in solid states?
Q.23. What are non-electrolytes? Give examples.
Q.24. What are cations and anions?
Q.25. What is an electrode?
Q.26. What are cathode and anode?
Q.27. What is an electrolytic cell?
Q.28. What is electroplating?
Q.29. What is the use of electroplating?
Q.30. Name some objects plated with chromium and why?
Q.31. Why are tin cans plated with tin on iron?
Q.32. How are bridges and automobiles prevented from corrosion and rusting?
Q.33. Describe the electroplating process carried out with copper sulphate solution and copper plates?
