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When zinc oxide is heated with cobalt nitrate, a green mass is formed due to (A) CoZnO2 (B) Rinmann’s green (C) Both A and B (D) Neither A nor B
2Co(NO3)2 ---> 2CoO + 2NO2 + O2
ZnO + CoO ---> CoZnO2 or CoO.ZnO
Rinmann’s Green
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