9.5.1

Corrosion

Test yourself

Corrosion

Corrosion describes the gradual destruction of metals because of chemical reactions between metals and the oxygen and water around them. The rusting of iron is an example of corrosion:

Illustrative background for Rusting reactionIllustrative background for Rusting reaction ?? "content

Rusting reaction

  • Iron + oxygen + water → hydrated iron(III) oxide.
Illustrative background for Rusting experimentIllustrative background for Rusting experiment ?? "content

Rusting experiment

  • Take a boiling tube and put an iron nail inside under three different sets of conditions and see if it rusts:
    • Only water - no rust.
    • Only air - no rust.
    • Air and water - rust.

Jump to other topics

1States of Matter

2Atoms, Elements & Compounds

3Stoichometry

4Electrochemistry

5Chemical Energetics

6Chemical Reactions

7Acids, Bases & Salts

8The Periodic Table

9Metals

10Chemistry of the Environment

11Organic Chemistry

11.1Formulae, Functional Groups & Terminology

11.2Naming Organic Compounds

11.3Fuels

11.4Alkanes

11.5Alkenes

11.6Alcohols

11.7Carboxylic Acids

11.8Polymers

12Experimental Techniques & Chemical Analysis

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