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NEET levelSingle correct optionDifficulty 1 of 3mt196

Which of the following reactions is an example of calcination?

A $ZnO + C Zn + CO$
B $ZnCO X_{3} ZnO + CO X_{2}$
C $Fe X_{2} O X_{3} + 3 CO 2 Fe + 3 CO X_{2}$
D $2 ZnS + 3 O X_{2} 2 ZnO + 2 SO X_{2}$

Answer: B

Calcination is strong heating of a carbonate or hydrated ore in limited or no air to drive off

CO X_{2}

or water. The

ZnS

reaction is roasting; the others are reductions.

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