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{:(Column-I("Metal"),column-II),((A)"Mag...

`{:(Column-I("Metal"),column-II),((A)"Magnesite",(p)"Ore of magnesium"),((B)"Siderite",(q)"Ore of aluminium"),((C)"Corundum",(r)"Oxide ore"),((D)"Bauxite",(s)"Carbonate ore"):}`

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Match the pair of ores given in column-I with type(s) of ores given in column-II. {:("Column-I","Column-II"),((A)"Limonite, Cuprite",(p)"Sulphate ore"),((B)"Calamine, Cerussite",(q)"Carbonate ore"),(( C)"Pyragyrite , Zinc blende",(r)"Oxide ore"),((D) "Anglesite,Langbeinite",(s)"Sulphide ore"),(" " ,(t)"Halide ore"):} .

{:(Column-I(Ore),Column-II),((A)"Iron",(p)"Carbon reduction method"),((B)Lead,(q)"Self reduction"),((C)Copper,(r)"Thermite process"),((D)"Chromium",(s)"Hydrometallurgical process"):}

{:(Column-I(Ore),Column-II),((A)"Iron",(p)"Carbon reduction method"),((B)Lead,(q)"Self reduction"),((C)Copper,(r)"Thermite process"),((D)"Chromium",(s)"Hydrometallurgical process"):}

Match the Column I with Column II and mark the approprite choice. {:("Column I","Column II"),((A)"Galena",(i)"Abrasive"),((B)"Diamond",(ii)"Metal carbonyls"),((C )"Carbon monoxide",(iii) "Hydrides of Si"),((D) "Silanes",(iv) "An ore of lead"):}