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Gold is a very precious metal.pure …

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Gold is a very precious metal.pure gold is not suitable for making Jewellery as it is very soft .It is alloyed with either copper or silver to make it hard.But sometimes jewellers mix a large quantity of copper and silver in gold to earn more profit? (a)Gold and silver come under which category of metals? (b)List the precautions that we should take while purchasing gold jewellery .What values do we posses by taking those precautions?

    • Posted by Shivansh Handa 8 years ago

    CBSE > Class 08 > Science
    • 0 answers
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