1.

{:("COLUMN-I","COLUMN-II"),((A)angleOSO" in "SO_(2),(p)120^(0)),((B)angleOSO" in "SO_(3),(q)103^(0)),((C )angleCISCI" in "SCl_(2),(r )104^(0)),((D) angleS SCl" in "S_(2)Cl_(2),(s)119^(0)30'):}

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