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JEE Advanced 2019Paper 1
Exam
JEE Advanced
Year
2019
Paper
Paper 1
Subject
Chemistry
Chapter
General Principles and Processes of Isolation of Metals

JEE Advanced 2019 · 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. AZnSO4,CuCO3,Fe2O3,AIF3{ZnSO}_{4}, CuC{O}_{3}, F{e}_{2}{O}_{3}, AI{F}_{3}
  2. BZnCO3,CuCO3.Cu(OH)2,Fe3O4,Na3AIF6ZnC{O}_{3}, CuC{O}_{3} . Cu{\left(OH\right)}_{2}, F{e}_{3}{O}_{4}, N{a}_{3}AI{F}_{6}
  3. CZnSO4,Cu(OH)2,Fe3O4,Na3AIF6ZnS{O}_{4}, Cu{\left(OH\right)}_{2}, F{e}_{3}{O}_{4}, N{a}_{3}AI{F}_{6}
  4. DZnCO3,CuCO3,Fe2O3,Na3AlF6ZnC{O}_{3}, CuC{O}_{3}, F{e}_{2}{O}_{3}, N{a}_{3}Al{F}_{6}

Correct answer

B. ZnCO3,CuCO3.Cu(OH)2,Fe3O4,Na3AIF6ZnC{O}_{3}, CuC{O}_{3} . Cu{\left(OH\right)}_{2}, F{e}_{3}{O}_{4}, N{a}_{3}AI{F}_{6}

Step-by-step solution

Fact based (CuCO3)\left({\text{CuCO}}_{\text{3}}\right) malachite \left({\text{CuCO}}_{\text{3}} . \text{Cu}{\left(\text{\text{ OH }}\right)}_{\text{2}}\right),magnetic, magnetic\left({\text{Fe}}_{\text{3}}{\text{O}}_{\text{4}}\right)cryolitecryolite\left({\text{CuCO}}_{\text{3}} . \text{Cu}{\left(\text{OH}\right)}_{2}\right)
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