Prevention of Corrosion
Chemistry ⇒ Metals and Non-metals
Prevention of Corrosion starts at 8 and continues till grade 12.
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See sample questions for grade 10
A ship's hull is protected from corrosion by attaching blocks of a more reactive metal. What is this method called?
A steel water tank is coated with a layer of zinc. What is this process called and why is it effective?
Describe how electroplating helps in preventing corrosion.
Describe the principle of cathodic protection in preventing corrosion.
Explain how painting prevents corrosion of metals.
Explain why iron corrodes faster in coastal areas.
Explain why iron objects should be kept dry to prevent corrosion.
Explain why sacrificial anodes need to be replaced periodically.
Name one method used to protect underground pipelines from corrosion.
What is corrosion?
What is the main advantage of using alloys over pure metals to prevent corrosion?
