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JEE Advance 2019
Paper 1
Question
Calamine, malachite, magnetite and cryolite, respectively are
(1) $\mathrm{ZnSO}_4, \mathrm{CuCO}_3, \mathrm{Fe}_2 \mathrm{O}_3, \mathrm{AlF}_3$
(2) $\mathrm{ZnCO}_3, \mathrm{CuCO}_3 \cdot \mathrm{Cu}(\mathrm{OH})_2, \mathrm{Fe}_3 \mathrm{O}_4, \mathrm{Na}_3 \mathrm{AlF}_6$
(3) $\mathrm{ZnSO}_4, \mathrm{Cu}(\mathrm{OH})_2, \mathrm{Fe}_3 \mathrm{O}_4, \mathrm{Na}_3 \mathrm{AlF}_6$
(4) $\mathrm{ZnCO}_3, \mathrm{CuCO}_3, \mathrm{Fe}_2 \mathrm{O}_3, \mathrm{Na}_3 \mathrm{AlF}_6$
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Question Tags
JEE Advance
Chemistry
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