UPSC CDS 1 2023 GK Paper

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Question : 112 of 120

Marks: +1, -0

Which one of the following is not true for anodizing process?

It makes aluminium corrosion resistant.
Metals like aluminium, titanium and magnesium can be anodized.
Clean aluminium article is the anode and oxygen gas is evolved at the cathode.
It is used in aircraft industry.

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