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How does grease prevent iron from rusting?

Charlotte Hall | 2023-06-10 03:26:24 | page views：1154
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Isabella Bailey

Studied at the University of Toronto, Lives in Toronto, Canada.
Galvanising is a method of rust prevention. The iron or steel object is coated in a thin layer of zinc. This stops oxygen and water reaching the metal underneath - but the zinc also acts as a sacrificial metal. Zinc is more reactive than iron, so it oxidises in preference to the iron object.
2023-06-12 03:26:24
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Lucas Scott

QuesHub.com delivers expert answers and knowledge to you.
Galvanising is a method of rust prevention. The iron or steel object is coated in a thin layer of zinc. This stops oxygen and water reaching the metal underneath - but the zinc also acts as a sacrificial metal. Zinc is more reactive than iron, so it oxidises in preference to the iron object.
BBC - GCSE Bitesize Science - Redox reactions : Revision, Page 2
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