Match the ores (column A) with the metals (column B) :
`{:("(""column " A")" ,,, "(""column " B")") , ("Ores" ,,, "Metals"), ((I) , "Siderite" , (a) , "Zinc"), ((II) ,"Kaolinite" , (b) , "Copper"), ((III) ,"Malachite" , (c) , "Iron "), ((IV) ,"Calamine" , (d) , "Aluminium"):}`

Match the ores (column I) with the metals (column II):

Match the ores (column I) with the metals (column II):

Match the metal in Column I with the ores in Column II

Match the metal in Column I with the ores in Column II

Match the metals (column I) with the coordination compounds (s) / enzyme (s ) (column II): {:("(""column" I")" ,,, "(""column" II")") , ("Metals" ,,, "Coodination"), (,,,"compound (s) /enzyme(s)"), ((A) , Co , (i) , "Wilkinson catalyst"), ((B) , Zn , (ii) , "Chlorophyll"), ((C) , Rh , (iii) , "Vitamin" B_(12)), ((D) , Mg , (iv) , "Carbonic anhydrase"):}

Match the metals (column I) with the coordination compounds (s) / enzyme (s ) (column II): {:("(""column" I")" ,,, "(""column" II")") , ("Metals" ,,, "Coodination"), (,,,"compound (s) /enzyme(s)"), ((A) , Co , (i) , "Wilkinson catalyst"), ((B) , Zn , (ii) , "Chlorophyll"), ((C) , Rh , (iii) , "Vitamin" B_(12)), ((D) , Mg , (iv) , "Carbonic anhydrase"):}

Match the refining methods (Column I) and with metals (Column II). {:("Column I","Column II"),(("Refining methods"),"(Metals)"),((I) "Liquation",(a) Zr),((II)"Zone Refining",(b) Ni),((III) "Mond Process",(c) Sn),((IV) "Van Arkel Method",(d) Ga):}

Match the following ores in Column A with their correct chemical name in Column B.

Match the columns {:(,"Column I",,"Column II"),((a),"Echidna",(i),"Ophidia"), ((b) , "Echinus" , (ii) , "Teleostei"), ((c) , "Echeneis" , (iii) , "Platyhelminthes"), ((d) , "Echis" , (iv) , "Echinoidea"), ((e) , "Echinococcus" , (iv) , "Prototheria."):}