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BITSAT 2024Paper 1
Exam
BITSAT
Year
2024
Paper
Paper 1
Subject
Chemistry
Chapter
General Principles and Processes of Isolation of Metals

BITSAT 2024 · Paper 1 · Chemistry · General Principles and Processes of Isolation of Metals

Calamine, malachite, magnetite and cryolite, respectively, are

Calamine, malachite, magnetite and cryolite, respectively, are

Options

  1. AZnCO3,CuCO3⋅Cu(OH)2,Fe3O4,Na3AlF6\mathrm{ZnCO}_3, \mathrm{CuCO}_3 \cdot \mathrm{Cu}(\mathrm{OH})_2, \mathrm{Fe}_3 \mathrm{O}_4, \mathrm{Na}_3 \mathrm{AlF}_6
  2. BZnSO4,Cu(OH)2,Fe3O4,Na3AlF6\mathrm{ZnSO}_4, \mathrm{Cu}(\mathrm{OH})_2, \mathrm{Fe}_3 \mathrm{O}_4, \mathrm{Na}_3 \mathrm{AlF}_6
  3. CZnSO4,CuCO3,Fe2O3,AlF3\mathrm{ZnSO}_4, \mathrm{CuCO}_3, \mathrm{Fe}_2 \mathrm{O}_3, \mathrm{AlF}_3
  4. DZnCO3,CuCO3,Fe2O3,Na3AlF6\mathrm{ZnCO}_3, \mathrm{CuCO}_3, \mathrm{Fe}_2 \mathrm{O}_3, \mathrm{Na}_3 \mathrm{AlF}_6

Correct answer

A. ZnCO3,CuCO3⋅Cu(OH)2,Fe3O4,Na3AlF6\mathrm{ZnCO}_3, \mathrm{CuCO}_3 \cdot \mathrm{Cu}(\mathrm{OH})_2, \mathrm{Fe}_3 \mathrm{O}_4, \mathrm{Na}_3 \mathrm{AlF}_6

Step-by-step solution

 Calamine →ZnCO3 Malachite →CuCO3Cu(OH)2 Magnetite →Fe3O4 Cryolite →Na3AlF6\begin{aligned} & \text{ Calamine } \rightarrow \mathrm{ZnCO}_3 \\ & \text{ Malachite } \rightarrow \mathrm{CuCO}_3 \mathrm{Cu}(\mathrm{OH})_2 \\ & \text{ Magnetite } \rightarrow \mathrm{Fe}_3 \mathrm{O}_4 \\ & \text{ Cryolite } \rightarrow \mathrm{Na}_3 \mathrm{AlF}_6\end{aligned}
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