Question

1.
1.5 gm. of a hydrocarbon on combustion in excess of oxygen
produces 4.4g. of Co, and 2.7 g. of H,0, the data illustrates.
(1) Law of conservation of mass
(2) Law of multiple proportions
(3) Law of constant composition
(4) Law of reciprocal proportions
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Answer 1

Answer:

The correct answer of this question is law of conservation of mass.