Calamine, malachite, magnetite and cryolite, respectively are:

Calamine, malachite, magnetite and cryolite, respectively are:
  1. ZnSO4, CuCO3, Fe2O3, AIF3
  2. ZnCO3, CuCO3. CuOH2, Fe3O4, Na3AIF6
  3. ZnSO4, CuOH2, Fe3O4, Na3AIF6
  4. ZnCO3, CuCO3, Fe2O3, Na3AlF6

Solution

Fact based CuCO3 malachite CuCO3.CuOH2 , magnetic Fe3O4 cryolite CuCO3.CuOH2

Asked in: JEE Advanced 2019 (Paper 1)

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