the% of copper and oxygen in sample of CuO obtained by different methods were found to be the same this proves the law of

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the% of copper and oxygen in sample of CuO obtained by different methods were found to be the same this proves the law of

Shrvatsa 11th Apr, 2020

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ADITYA KUMAR Student Expert 11th Apr, 2020

Hi

It proves constant propoprtions. As the ratio of cu:o remains constant.

As per law of constant proportion,a given chemical compound always contains its component elements in fixed ratio and does not depend on its source and method of preparation.

Thus, law of constant or definite proportion in your answer

I hope that you find this helpful

Thankyou

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