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One of the ores of copper has the formula, CuFeS2. Describe how iron in the ore is removed during extraction of copper metal.

      

One of the ores of copper has the formula, CuFeS2.
a) Describe how iron in the ore is removed during extraction of copper metal.
b) State two environmental problems associated with extraction of copper metal

  

Answers


John
a) The ore is roasted to convert iron to iron (II) oxide. The oxide then reacts with silicon (IV) oxide to form iron (II) silicate which separates out as slag.

b)- Sulphur (IV) oxide produced causes air pollution

- Mining of the ore from the ground causes land degradation
johnmulu answered the question on February 21, 2017 at 08:19


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