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 product formed on reaction, of ethyl alcohol with bleaching powder is
  2. 1,1,2,2-tetrabromoethane on treatment with Zn dust yields an
  3. Excess nitrate in drinking water can cause
  4. In which one of the following molecules the central atom does not have sp³
  5. Which of the following order is wrong?