{:("Column -I","Column-II"),((A) (H_(2)O)_(n),(P)"Ionic bond "),((B) C_(2)H_(2),(Q)"Covalent bond"),((C) KCN ,(R) "Co-ordinate bond "),((D) K_(4)[Fe(CN)_(6)],(S)"Hydrogen bond"):}

{:("Column -I","Column-II"),((A) (H_(2)O)_(n),(P)"Ionic bond "),((B) C

1.	{:("Column -I","Column-II"),((A) (H_(2)O)_(n),(P)"Ionic bond "),((B) C_(2)H_(2),(Q)"Covalent bond"),((C) KCN ,(R) "Co-ordinate bond "),((D) K_(4)[Fe(CN)_(6)],(S)"Hydrogen bond"):}
Answer» ANSWER :A-QS; B-Q; C-PQ; D-PQR