why carbonate and sulphide ores are converted into oxides during extraction. Write the process
Answers
Carbonate and sulphide ores are converted oxides because it is to obtain metal from their oxide ores than from carbonate and sulphide ores by reduction process...
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Answer:
Sulphide ores are converted to oxides by heating in the presence of excess air. This process is known as Roasting.
Carbonates are changed into oxides by strongly heating them in limited air. The process is known as Calcination.
Carbonate and sulphide ores are usually converted into oxides during the process of extraction because extraction of metal is easier from their oxides rather than from their carbonates or sulphides.
As with the case of oxides, we simply have to use a metal more reactive than the impure metal which needs to be extracted.
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