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Metals Reaction with Oxygen (Burnt in Air)

Give reason :...

Question

Give reason :
(f) Gold is mixed with copper and nickel.

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Solution

(f)

Pure gold is a very soft metal. It cannot be moulded into ornaments, so it is mixed with copper and nickel so that it becomes harder and a bit cheaper.

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Metals Reaction with Oxygen (Burnt in Air)

Standard VIII Chemistry

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