1.

{:("i. Copper",,"(a) Lustrous greyish white metal"),("ii. Iron",,"(b) Cn 112"),("iii. Aluminium",,"(c) Reddish brown metal"),("iv. Copernicium",,"(d) Silvery white metal"):}

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SOLUTION :I-c, ii-a, iii-d, iv-b


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