Copper Pyrite

Copper (Cu)-Important Transition Element

Copper (Cu):  It is an important and useful metal. It belongs to group I-B which consists of copper, silver and gold. These three metals are called coinage metal as in past they were used to make currency coins.  Copper objects are found among the remains of many ancient civilizations including Egypt, Asia Minor, China, Southern …

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Iron -Important Transition Element-Chemistry

Iron: It is an important and useful metal. It was known to ancient Egyptians since 4000 BC. But its extraction started since 2000 BC. In India its extraction started since 600 BC. It belongs to group VIII-B of periodic table. Occurrence: After Aluminum it is most abundant metal on the earth crust. It is fourth …

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