The percentage of copper and oxygen in samples of CuO obtained by different methods were…
Chemistry · JEE Main · NTA Exams — Some Basic Concepts in Chemistry
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
- constant proportions
- conservation of mass
- multiple proportions
- reciprocal proportions
Answer
(A) constant proportions
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