1.

Match the ores of List - I with their composition in List - II : {:(,"Column - I",,"Column - II"),((A),"Iron pyrites",(p),FeS_(2)),((B),"Fool's gold",(q),"Sulphide ore"),((C),"Galena",(r),Fe_(2)O_(3)),((D),"Haematite",(s),"Concentrated by froth floatation process"):}

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Answer :`(A RARR p, Q, s); (B rarr p, q, s); (C rarr q, s) ; (D rarr r)`


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