4) During the anodising process, which metal article is used as an anode? (a) Lead (b) Zinc (c) Aluminium (d) Copper
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Answer:
C) Almunium
Explanation:
A cathode is mounted to the inside of the anodising tank; the Almunium is acts as an anode, so that oxygen ions are released from the electrolyte to combine with the Almunium atoms at the surface of the part being anodized.
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Aluminum is the correct option
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