JEE Advanced 2019 · Paper 1 · Chemistry Q2

ChemistrySingle correct+3 / -1Question 20 of 54

Calamine, malachite, magnetite and cryolite, respectively, are

\ce{ZnSO4}

\ce{CuCO3}

\ce{Fe2O3}

\ce{AlF3}

\ce{ZnSO4}

\ce{Cu(OH)2}

\ce{Fe3O4}

\ce{Na3AlF6}

\ce{ZnCO3}

\ce{CuCO3.Cu(OH)2}

\ce{Fe3O4}

\ce{Na3AlF6}

\ce{ZnCO3}

\ce{CuCO3}

\ce{Fe2O3}

\ce{Na3AlF6}

Answer and worked solution

Official answer: C

(C)

Topics:Concentration of ores

JEE Advanced 2019 · Paper 1, Chemistry question 2