Answers

2015-01-19T14:42:25+05:30
the combining ratio is formed as follows::-
          atomic number of hydrogen=1
            atomic number of  oxygen-->8
 so combined ratio=1:8
                 these ratios are also based on their atomic reactivity and masses.
                                                                                         plz mark it best
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2015-01-19T15:01:56+05:30

atomic number of hydrogen is 1

atomic number of oxygen is 8

so if we combine we get 1:8  and hope you have understood

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