Three naturally occurring elements A. B and C are good conductors of election
and are very precious. C is more reactive than A and B and on exposure to a fora
long time turns black. C forms an alloy with B and is used in jewe ery and A is used
as a catalyst. Indentify A, B, and C.
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Three precious elements that occur nature are silver, gold and platinum. Silver is more reactive than gold and platinum is used as a catalyst. Alloy of gold with silver is used in jewellery. So A is platinum, B is gold and C is silver.
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