Corrosion

Aim: To investigate the factors that cause rusting in iron.

Equipment: Six test tubes, test tube rack, a bung, six iron nails, Tap water, Saltwater, Water+Oil, Mg ribbon, Calcium chloride, Nail Polish

Method:

1. Label four test tubes A-F and place in a test tube rack.
2. Test tube contents: A= Iron nail and tap water
                              B= Iron nail and salty water
                              C= Iron nail and Water+Oil
                              D= Iron nail and calcium chloride
                              E= Iron nail Mg ribbon wrapped around
                              F= Iron nail and Nail polish

Leave the test tube for at least three days.

Observations:

(Find out on Wednesday!)