Corrosion of Metals
Chemistry ⇒ Metals and Non-metals
Corrosion of Metals starts at 8 and continues till grade 12.
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See sample questions for grade 10
A ship made of iron is used in seawater. Explain why it corrodes faster than in freshwater.
A steel bridge is exposed to rain and air. Suggest two ways to protect it from corrosion and explain how they work.
Describe the difference between corrosion and rusting.
Describe the role of moisture in the corrosion of iron.
Describe two ways to prevent the corrosion of iron.
Explain the process of galvanization.
Explain why aluminium does not corrode as quickly as iron, even though it is more reactive.
Explain why iron nails rust faster in saline water than in distilled water.
Name the process in which a more reactive metal is used to protect a less reactive metal from corrosion.
What is corrosion?
