(a) Write the chief ore of iron. Write its formula.
(b) What do you mean by concentration of ore? What is gangue ?
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Explanation:
Hematite is an oxide of iron in its "raw" or "natural" form. It's a mineral, and it's iron(III) oxide. Its formula is Fe2O3. The process of the extraction of iron is carried out by the following steps: a). Concentration of ore b). Calcination or Roasting of ore c). Reduction of ore d). Concentration of ore. Via these procedures, the iron gets through the blast furnace and so that its resultant form can be used to build iron bars.
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Answer:
Explanation:
Pyrite
Formula CuS
60-70%
Gangue is the impurities which come extracting the ore
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