Calcination or Roasting will be done for the products of the smelting process to remove impurities.

True

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False

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Solution

The correct option is B
False

The order of the metallurgical process is:

$R a w o r e o r e c o n c e n t r a t i o n - --------- \to C o n c e n t r a t e d O r e c o n v e r t t o o x i d e - -------- \to m e t a l o x i d e R e d u c t i o n o f o r e - --------- \to C r u d e m e t a l R e f i n i n g - ---- \to P u r e m e t a l$

Smelting is one of the processes for the reduction of 'concentrated ore' to 'crude metal'. To purify crude metal refining is done, while calcination/roasting is used for convert ore to oxide.

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