Question

give reason..
platinum ,gold, and silver used to make jewellery.
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Answer 1

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Give reason:

platinum ,gold, and silver used to make jewellery.

Answer:

Platinum, gold & silver are used to make jewellery because these materials looks good as they have a shiny appearance. These materials do not corrode as they are highly lustrous metals. As well as ,they are ductile and malleable, we can give any shape.And they are quite durable too.

Answer 2

Explanation:

Because they are least available metals then other on the Earth.However it is common that which is more on the earth always has less value than what is more and they don't corrode or rust.