Which of the following is not an example of physical protection?

Greasing

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Attaching the metal to the negative terminal of a battery

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Galvanising

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Electroplating

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Solution

The correct options are
B Attaching the metal to the negative terminal of a battery
D Electroplating
Electroplating, attaching metal to negative end of battery these are methods used for purification or refining of metal. These are not used as physical protection.
Ans :- B,D

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