MEDIUMMCQ SINGLENEET ChemistryPhysical ChemistryMole _ Equivalent ConceptAtomic Theory
The percentage of copper and oxygen in samples of CuO obtained by different methods were found to be the same. This illustrates the law of
A.constant proportions✓ Correct
B.conservation of mass
C.multiple proportions
D.reciprocal proportions
Explanation
Law of constant or definite proportion.
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