NTA Abhyas JEE Main2020ChemistryGeneral Principles and Processes of Isolation of MetalsPractice
The number of correctly matched combination is/are Ore Element Chalcopyrite Cu Limestone Ca Corundum Al Magnetite Fe Pyrolusite Mn Cassiterite Zn Cinnabar Hg Calamine Ca Siderite Sn Cerussite Pb
Correct answer
7
Step-by-step solution
The correctly matched ores are Ore Element Chalcopyrite Cu Limestone Ca Corundum Al Magnetite Fe Pyrolusite Mn Cassiterite Zn Cinnabar Hg