When the ore limestone is heated carbon dioxide is given off. This operation

When the ore limestone is heated carbon dioxide is given off. This operation in metallurgy is known as

Options

(a) smelting
(b) ore dressing
(c) calcination
(d) roasting

Correct Answer:

calcination

Explanation:

CaCO₃(s) → CaO(s) + CO₂(g)

admin:

Related Questions

  1. The reaction that takes place when Cl₂ gas is passed through conc.NaOH solution
  2. For the reaction C(s) + O₂(g)
  3. Haemoglobin is a complex of
  4. At room temperature the eclipsed and staggered forms of ethane can not be isolate
  5. Hydrolysis of ester, in an acidic medium, is