1.

Which one of the following pairs of compounds illustrates the law of multiple proportion                                         [EAMCET 1989]

A.                 \[{{H}_{2}}O,\,N{{a}_{2}}O\]         
B.                 MgO,\[N{{a}_{2}}O\]
C.                 \[N{{a}_{2}}O,BaO\]         
D.                 \[SnC{{l}_{2}},\,SnC{{l}_{4}}\]
Answer» E.


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