Q24 / 125 · BITSAT 2011 · Chemistry

Calcination is used in metallurgy for removal of?

  • A
    Water and sulphide
  • Correct answer
    B
    Water and $\mathrm{CO}_{2}$
  • C
    $\mathrm{CO}_{2}$ and $\mathrm{H}_{2} \mathrm{~S}$
  • D
    $\mathrm{H}_{2} \mathrm{O}$ and $\mathrm{H}_{2} \mathrm{~S}$

Solution

Calcination is used for removal of volatile impurities and decompose carbonates.

Hence, the correct answer is option: 'B'.

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