Calamine on calcination gives (1) \( \mathrm{CaO}, \mathrm{CO}_{2} \) (2) \( \mathrm{ZnO}, \math...

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Calamine on calcination gives
(1) \( \mathrm{CaO}, \mathrm{CO}_{2} \)
(2) \( \mathrm{ZnO}, \mathrm{CO}_{2} \)
(3) \( \mathrm{ZnO}, \mathrm{SO}_{2} \)
(4) \( \mathrm{ZnO}, \mathrm{SiO}_{2} \)
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