In the isolation of metals, what is formed as a result of the Calcination process?

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Metal Hydroxide

Metal Oxide

Metal Carbonate

Metal Sulphide

answer is B.

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Detailed Solution

Concept- Calcination is a process in which ore is heated to very high temperatures in the limited presence of oxygen. So basically it's a decomposition reaction. Nothing is added or replaced in the molecule during this process.
Calcination method is used to convert hydroxides and carbonate ores to their respective oxides. Volatile and moisture impurities are also removed during calcination. Calcination can also be described as a thermal process that can be used to transform ores and other solid materials by causing thermal decomposition.
Thus, when the ore goes through the calcination process, it gives metal oxides as a product.
Hence, the correct answer is 2.

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