1.

{:(,"Column I",,"Column II"),((A),"Inorganic benzene",(p),"An allotrope of carbon"),((B),"Fulerene",(q),"Orthosilicate"),((C),"Phenacite",(r),"An ore of boron"),((D),"Colemanite",(s),"Borazine" (B_(3)N_(3)H_(6))):}

Answer»

A-s,B-p,C-r,D-q
A-p,B-s,C-q,D-r
A-q,B-r,C-s,D-p
A-s,B-p,C-q,D-r

Answer :D


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