Question

Mention two points on Calcination .​

Answer 1

Answer:

$\huge\red{\boxed{\bold</p><p>{Calcination}}}$

⭐It is a process in which a carbonate ore is heated stronly to convert into metal oxide ore.

⭐It is done is absence of air.

⭐ex=ZnCO3---(calcination)-->ZnO+CO2

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Answer 2

Answer:

$\huge\red{\boxed{\bold{ANSWER}}}$

For example: Calcium carbonate is converted into calcium oxide by calcination. Roasting - In this process, an ore is converted into its oxide by heating it strongly in excess of air. This method is commonly used for sulphide ores.