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Extraction of Copper

Ornamental go...

Question

Ornamental gold is an alloy of gold and silver.

A

True

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B

False

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Solution

The correct option is A True
Gold as pure metal is too soft on its own and is therefore hardened by the addition of alloying element like silver for ornamental purpose.
option A is correct.

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Q. An alloy of copper, silver and gold is found to have copper constituting the ccp lattice. If silver atom occupy the edge centres and gold is present at body centre, Calculate the formula of alloy:

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