1.

Irrespective of the source, pure sample of water always yields 88.89% mass of oxygen and 11.11% mass of hydrogen. This is explained by the law of                                      [Kerala CEE 2002]

A.                 Conservation of mass          
B.                 Constant composition
C.                 Multiple proportions            
D.                 Constant volume
Answer» C.                 Multiple proportions            


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