Question

What would you do to make a metallic object regain its lustre after it has lost its sheen?​

Answer 1

Answer:

These oxides get deposited on the surface of the metal, due to which it loses its lustre. So, in order to for the metal to regain its lustre, we should remove the upper layer by rubbing with sandpaper so that the lower layer get exposed which is still lustrous.

Explanation:

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Answer 2

Answer:

normally any metal object losers is luster because of the formation of an oxide film when exposed to air so in order to get the lustre of the metal back we have to rub it with Sandpaper in order to remove the upper oxide film....

Explanation:

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