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The English chemist John Alexander Newlands in `1866` profounded the

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The English chemist John Alexander Newlands in `1866` profounded the
A. law of triads
B. law of octaves
C. law of pentaves
D. law of hexaves
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Correct Answer - B
It stated that when the known elements are listed by increasing atomic weights, those tat were eight places apart would be similar, much like the notes on a pinao keyboard.
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