Corrosion science yr10

 Aim: To investigate the factors that cause rusting in iron

Equipment: Four test tubes, test tube rack, a bung, four iron nails, boiled water, tap water, salty water, cooking oil, calcium cholride

Method: 

1. label four test tubes A - D and place a test tube rack

2. test tube contents 

A iron nail and tap water

B Iron nail and salty water

C Iron nail, water, oil 

D Iron nail, calciuim chloride

E  Nail, wrapped in tin foil 

F nail polish