Question

Platinum, gold and silver are used to make jewellery. (Give reasons)

Answer 1

They are used to make jewellery because they are least reactive metals and do not get rusted or corrode easily.
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Answer 2

Silver, Gold and platinum are used to design the different jewelery with the trendy and modern design.

Apart from that the potassium as well as the lithium is stored under the oil and aluminum become high reactive metal and not yet make used to utensils for cooking of it.