Question

A goldsmith measure the purity of gold by using a special measuring device.He told the customer that there was an impurity present in gold ornament that he wanted to buy and it was not 22 carats but 18 carats jewellery.(a)how can we find the purity of gold? (b)what is the unit of relative density? (c)what value of goldsmith is reflected in this act?

Answer 1

Purity of gold is measured in carats.Ornament of pure gold get bent easily so,copper or silver is added to gold .
24carat-100percent gold
18 carat_75percent gold
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