Question

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Question :- Define Calcination And Roasting !!

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Answer 1

Catenation Definition: Catenation is the binding of an element to itself through covalent bonds to form chain or ring molecules. Examples: Carbon is the most common element that exhibits catenation. It can form long hydrocarbon chains and rings like benzene...

Roasting is a process in metallurgy in which a sulfide ore is heated in air. The process may convert a metal sulfide to a metal oxide or to a free metal.
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Answer 2

❤hlw darlø❤

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⤵⤵here is the answer ⤵⤵

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Càlcinatiøn
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↪The process of extraction of metal from its ore in the absence of oxygen is called calcination↩

✒it is used for extraction in carbonate ores.

Røa§tînG
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↪The process of extraction of metal from its ore in the presence of oxygen is called roasting.↩

✒it is used for extraction in sulphide ores.

↪⛄hope it helps⛄↩