Question

Gold and silver are use in coin why?

Answer 1

As a precious metal, silver is rare and valuable, making it a convenient store of wealth. ... Today, countries use less expensive metals, such as copper and nickel, to produce coins, and they use fiat currency, in which government regulation controls the value, instead of a gold orsilver standard. they are not reactive also and not form their oxides
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Answer 2

becoz they are not reactive metals and not form their oxides so Gold and silver are use in coin