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The causes of rusting

Description

Rusting of iron and steel is a commonly occurring process with which we are all familiar. This experiment investigates the conditions needed for rusting to occur.

Credits

:
This is an experiment from the Practical Chemistry project, developed by the Nuffield Foundation and the Royal Society of Chemistry.
the-causes-of-rusting



Apparatus Chemicals

Per pair or group of students:

Eye protection

Test-tubes, 4

Test-tube rack

Rubber bung to fit test tube

Cotton wool

Forceps

Pen or other means of labelling test tubes

Iron nails, 4

Anhydrous calcium chloride granules (IRRITANT) Students with sensitive skin should be offered gloves.

Cooking oil

Deionised water

Boiled deionised water (15 min boil) (Note 1)

Sodium chloride (table salt)

Refer to Health & Safety and Technical notes section below for additional information.

 


Read our standard health & safety guidance



 



Rusting of iron and steel is a commonly occurring process with which we are all familiar. This experiment investigates the conditions needed for rusting to occur.

ADDITIONAL INFORMATION

This is a resource from the Practical Chemistry project, developed by the Nuffield Foundation and the Royal Society of Chemistry. This collection of over 200 practical activities demonstrates a wide range of chemical concepts and processes. Each activity contains comprehensive information for teachers and technicians, including full technical notes and step-by-step procedures. Practical Chemistry activities accompany Practical Physics and Practical Biology .