1.

Match the compounds // elements given in Column I with uses given in Column II {:(,"Column I ( Compound/element)" ,,"Column II (Use)"),((i),"Lanthanoid oxide",(a),"Production ofiron alloy"),((ii) ,"Lanthanoid ",(b) ,"Television screen"),((iii), "Misch metal",(c ) ,"Petroleum cracking"),((iv),"Magnesium based alloy is constituent of ",(d) ,"Lanthanoid metal"+"iron"),((v) ,"Mixed oxides of lanthanoids are employed",(e ),"Bullets"),(,,(f),"In X-rayscreen"):}

Answer»


ANSWER :`(i) rarr(B), (ii) rarr(a), (iii) rarr (d), (iv) rarr (E ) , (v) rarr (c )`


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