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Question
Anodizing is a process in which a layer of metal ____________ forms on the metal surface increasing the corrosion resistance.
Anodizing is a process in which a layer of metal ____________ forms on the metal surface increasing the corrosion resistance.
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Solution
The correct option is B oxide
1. Anodising is an electrolytic process for producing thick oxide coatings, usually on aluminium and its alloys.
2. The oxide layer is typically 5 to 30µm in thickness and is used to give improved surface resistance to wear and corrosion, or as a decorative layer.
1. Anodising is an electrolytic process for producing thick oxide coatings, usually on aluminium and its alloys.
2. The oxide layer is typically 5 to 30µm in thickness and is used to give improved surface resistance to wear and corrosion, or as a decorative layer.
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