1.

{:("List - I (polymer)","List - II (use)"),("1) Urea formalde hyde resin","a) Unbreakable cups"),("2) Nylon - 6","b) TV cabinets"),("3) Polystyrene","c) Oils seals"),("4) GRN","d) Tyre cords"):}

Answer»

`{:(1,2,3,4),(a,d,B,C):}`
`{:(1,2,3,4),(a,b,d,c):}`
`{:(1,2,3,4),(a,b,c,d):}`
`{:(1,2,3,4),(d,c,b,a):}`

ANSWER :A


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