Question

Answer the following questions:
1. Why gold and platinum does not loose their lustre?
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Answer 1

Answer:

Metals react with the atmosphere oxygen and the oxygen is bonded to them. after a layer of oxide forms over the surface, the metals lose their lustre. this does not happen in case of metals like Platinum and gold as it is difficult to oxidise them.

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Answer 2

Answer:

Hello frnd here is your answer

Since they lie at the bottom of the activity series, they have very low reactivity. As a result, these metals do not lose lustre and are used in jewellery.Both these metals are very hard, malleable and ductile.

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