Chemistry, asked by seemasaini3201p32c6z, 1 year ago

what is the story of a coin.(why iron was replaced gradually by copper,then brass and finally steel in indian coins)

Answers

Answered by VipulRajput01
2
A coin is a small, flat, (usually) round piece of metal or plastic used primarily as a medium of exchange or legal tender. They are standardized in weight, and produced in large quantities at a mint in order to facilitate trade. They are most often issued by a government.

Coins are usually metal or alloy, or sometimes made of synthetic materials. They are usually disc shaped. Coins made of valuable metal are stored in large quantities as bullion coins. Other coins are used as money in everyday transactions, circulating alongside banknotes. Usually the highest value coin in circulation (i.e. excluding bullion coins) is worth less than the lowest-value note



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