define roasting and cancellation
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It's not cancellation it's calcination ...
Roasting involves heating of ore higher than its melting point in the presence of air or oxygen.
Calcination involves thermal decomposition of carbonate ores.
hope it helps !!!
Answered by
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Answer:
roasting involved in heating of ore higher than its melting point in the present of air or oxygen.
roasting does not involve dehydration an ore
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