An ore gives carbondioxide on treatment with dilute acid

CBSE Class 10 CBSE Class 10 Science
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1

An ore gives carbondioxide on treatment with dilute acid. Identify the ore and name the process that should be used to concentrate this ore.

2

Ans. The ore gives carbondioxide on treatment with dilute acid, therefore it is a carbonate ore. The ore after concentration is converted into free metal by

  1. Calcination
  2. Smelting or Reduction or
  3. Electrolytic process