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{:(Column-I(Ore),Column-II("Created form...

`{:(Column-I(Ore),Column-II("Created formula & properties")),((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"):}`
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The correct Answer is:
`(A rarr p, q, s); (B rarr p, q, s); (C rarr q, s) ; (D rarr r)`
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