1.

Find the incorrectly matched pair ?

Answer»

`{:("Column-I(ores)","Column-II(metals)"),("Sylvine",(1)"POTASSIUM"):}`
`{:("Column-I(ores)","Column-II(metals)"),("Malachite",(2)"MAGNESIUM"):}`
`{:("Column-I(ores)","Column-II(metals)"),("Cinnabar",(3)"Mercury"):}`
`{:("Column-I(ores)","Column-II(metals)"),("Fluorite (FLOURSPAR)",(4)"Calcium"):}`

Answer :B


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