1. Electrolysis Han Ming Xuan 1P1 (9)

3. Fundamentals first… Subatomic particle with +ve charge, resides with nucleus Subatomic particle with –ve charge Subatomic particle with no net electric charge Basic unit of a chemical element

5. What is Electrolysis?

12. Basics of Electrolysis References: Chemistry Insights ‘O’ Level 2 nd Edition

13. What is the Anode? Attracted to

14. What is the Cathode? Attracted to

15. Other basic terms

17. History Of Electrolysis

18. Humphry Davy Place of birth: Cornwall, England Date of Birth: 17 th December 1778 Passed away: 29 th May 1829 (age 50) Who is he?: English chemist

19. Brief account

20. Michael Faraday Country of Birth: South London Date of Birth: 22 September 1791 Passed away: 25 August 1867 (75 years old) Who is he? : Chemist and Physicist who contributed significantly to the study of electromagnetism and electrochemistry.

21. Short Bibliography

23. Redox reactions

26. Experiment No.1

33. Explanation

34. Electrolysis of Sodium Chloride

38. Chlorine

43. Hydrogen

45. Experiment No.2 Electrolysis of Sodium Bicarbonate solution

49. Sodium Bicarbonate What is it made up of ?

51. Sodium Ion Na +

52. What happened?