Aim: To find a number of methods that can prevent rust and finding out factors that cause rust in metal
Equipment: 8 Test tubes, test tube rack, a bung, tap water, vaseline gel, nail polish or paint, zinc pellets or magnesium ribbon, boiled water, salty water, cooking oil, calcium chloride.
Method: Label 8 test tubes A-H
Fill all test tubes with equal volumes of water, enough to cover the nails
Nail + Tap Water
Nail + Vaseline + water
Nail + Water + Nail polish/paint
Nail + Water + Magnesium ribbon wrapped around it, or zinc pellet added to the test tube
Nail + Salty Water
Nail + Boiled Water + Oil
Nail + Calcium Chloride sealed with a bung (NO WATER)
Nail (NO WATER)
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