Question

An ore gives CO2 on treatment with a dilute acid. What steps will you take to convert such a concentrated ire into free metal​

Answer 1

The ore or compound gives CO2. This means it is a carbonate ore/compound. therefore calcenation is done to oxidise the as it is carbonate type.

EX:-

      CaCO3 + HCl   ----------->  CaCl2 + H2O + CO2

during Calcenation,

      CaCO3 -----heat------> CaO + CO2

Hope it helped.