Question

21. Gold is a very precious metal. Pure gold is very soft and is thus not
suitable for making jewellery. It is alloyed with either silver or copper to
make it hard. But some jewellers mix a large quantity of copper and silver in
gold to earn more profit.
(2m)
(a) Which two properties of these metals made use in jewellery?
(b) Why do people invest a lot of money in gold, silver and platinum and not
in any other metal?​

Answer 1

Answer:

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