Which process is used to obtain metal from metal oxide?

  • A
    Liquation
  • B
    Reduction
  • C
    Calcination
  • D
    Roasting

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What chemical process is used for obtaining a metal from its oxide?

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Give the reactions involved during the extraction of zinc from its ore by:
$(a)$ Roasting of zinc ore
$(b)$ Calcination of zinc ore

Give reasons: Carbonate and sulphide ores are usually converted into oxides during the process of extraction.

Give the steps involved in the extraction of metals of low and medium reactivity from their respective sulphide ores.

When finely powdered ore is placed on a rotating grooved table and rotated rapidly,the lighter impurities are removed. What is this method of concentration called?

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