Question 36

In metallurgy in the isolation of metals, in calcinations/roasting process usually ore is finally converted into ____________ form


Correct Answer: 0

Solution

PLACEHOLDER ANSWER - the answer is a word. Calcination removes $$\text{CO}_2$$ and water from carbonate and hydrated ores, and roasting converts sulphide ores using oxygen. In both cases the ore ends up in the oxide form, which is then reduced to the metal.

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