why platinum cannot use in amalgum of mercury?
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1) Firstly the metal platinum is expensive metal which can cost an person an big bill
2) As platinum is expensive as usual it is present in trace or in small amount in crust of earth so it is also "expensive" from that point of view
2) As platinum is expensive as usual it is present in trace or in small amount in crust of earth so it is also "expensive" from that point of view
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