1.

2 g of hydrogen combine with 16 g of oxygen to form water and with 6 g of carbon to form methane. In carbon dioxide 12 g of carbon are combined with 32 g of oxygen. These figures illustrate the law of

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


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