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. Which of the following does not react with I₂ and NaOH
  2. Benzaldehyde condenses with N,N-dimethylaniline in presence of anhydrous ZnCl₂
  3. The vacant space in bcc lattice unit cell is
  4. Both ethan and methane can be obtained in one step reaction from
  5. The oxidation state of Cr in K₂Cr₂O₇ is