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 solubility product of a sparingly soluble salt AB at room temperature
  2. The activation energy of a reaction can be determined from the slope
  3. The four bonds in methane are directed in space with an angle of
  4. What is the nature of the bond between B and O in (C₂H₅)₂ OBH₃?
  5. Zeolite used to soften hardness of water is, hydrated