Corrosion of metals

• Chem
• Secondary Education

Lesson 9

Corrosion of metals

03-10-2022

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• state the conditions required for the rusting of iron and steel to form hydrated iron(III) oxide
• identify some common methods of preventing the rusting of iron and steel and corrosion of other metals
• describe how these methods work

Success Criteria

Language 

development

• rust
• corrosion
• corrode
• barrier methods
• painting 

Know the keywords

• oiling and greasing
• plastic coatings
• electroplating
• galvanising and sacrificial protection
  

What do you understand by the word "CORROSION"?

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What are the two main ingredients of rust?

1. oxygen and hydrogen
2. oxygen and water
3. water and carbon dioxide
4. oxygen and methane

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• How do you know that an iron or steel is rusted?

Question and A