1.

Ionic and covalent bonds are present in                                                 [CBSE PMT 1990; MNR 1990; KCET 2000; UPSEAT 2001]

A.                 \[CC{{l}_{4}}\]  
B.                 \[CaC{{l}_{2}}\]
C.                 \[N{{H}_{4}}Cl\]               
D.                 \[{{H}_{2}}O\]
Answer» D.                 \[{{H}_{2}}O\]


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