Electrical device
Electronic device
Chemical device
Electro chemical device
Zinc
Tin
Antimony
Copper
Sulphuric acid and diluted lead
diluted lead and pure water
pure water and distilled water
distilled water and sulphuric acid
Lead sulphate
Carbon rod
Nickel chromium
Pure lead
Potassium Hydroxide
Ammonium chloride
Dilute sulphuric acid
Alkaline solution