Anodizing is a process in which a layer of metal ____________ forms on the metal surface increasing the corrosion resistance.
A
Oxide
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B
Sulphate
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C
Carbonate
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D
Hydrogen carbonate
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Solution
The correct option is A Oxide Anodizing is a process in which a layer of meta oxide forms on the metal surface increasing the corrosion resistance. It is commonly used for aluminium and its alloys to make them harder and more durable.