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Isolation of Elements question

2019 · Shift 1 · Q3
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Isolation of Elements question

2019 · Shift 1 · Q3

JEE AdvancedChemistryIsolation of ElementsMCQ+3 / −1
Calamine, malachite, magnetic and cryolite, respectively, are
  1. A
    ZnCO3ZnCO_3ZnCO3​, CuCO3CuCO_3CuCO3​, Fe2O3Fe_2O_3Fe2​O3​, Na3AlF6Na_3AlF_6Na3​AlF6​
  2. B
    ZnSO4ZnSO_4ZnSO4​, CuCO3CuCO_3CuCO3​, Fe2O3Fe_2O_3Fe2​O3​, AlF3AlF_3AlF3​
  3. C
    ZnSO4ZnSO_4ZnSO4​, Cu(OH)2Cu(OH)_2Cu(OH)2​, Fe3O4Fe_3O_4Fe3​O4​, Na3AlF6Na_3AlF_6Na3​AlF6​
  4. D
    ZnCO3ZnCO_3ZnCO3​, CuCO3CuCO_3CuCO3​.Cu(OH)2Cu(OH)_2Cu(OH)2​, Fe3O4Fe_3O_4Fe3​O4​, Na3AlF6Na_3AlF_6Na3​AlF6​
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