An ore gives carbon dioxide on treatment with a dilute acid. What steps will you take to convert such a concentrated ore into free metal?

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asked Jan 30, 2018 in Chemistry by Kundan kumar (49,132 points) 34 379 1010

An ore gives carbon dioxide on treatment with a dilute acid. What steps will you take to convert such a concentrated ore into free metal?

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answered Jan 30, 2018 by Vikash Kumar (144,729 points) 8 11 21
 
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A metal carbonate reacts with a dilute acid to form carbon dioxide. Therefore, this ore is a carbonate ore. Carbonate ore is converted into free metal in the following two steps:
(i) Calcination: The carbonate ore is strongly heated in the absence of air to get the metal oxide.

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