JEE Main 2019 Chemistry question
Not in JEE Main or NEET syllabus
Match the ores (column A) with the metals (column B): List-I: (I) Siderite (II) Kaolinite (III) Malachite (IV) Calamine List-II: (a) Zinc (b) Copper (c) Iron (d) Aluminium
Answer: (A)
Solution
FeCO, Al(OH)SiO, CuCO·Cu(OH), ZnCO.