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 [AMU 1982, 92]

Question: 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 [AMU 1982, 92]

(a) Constant proportions

(b) Conservation of mass

(c) Multiple proportions

(d) Reciprocal proportions


Correct Answer: (a) Constant proportions


Question: 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 [AMU 1982, 92] (a) Constant proportions (b) Conservation of mass (c) Multiple proportions (d) Reciprocal proportions


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