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prodeepbiswas
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Asked: 2021-06-08T05:47:23+00:00 In:

The concept of triads in the elements was given by

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0%(a) Newlands
100%(b) Dobereiner ( 2 voters )
0%(c) Mendeleev
0%(d) Bohr
Based On 2 Votes

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Class 10 Chemistry Question.
Important Questions of Ch:5 Class10th NCERT.
Important MCQ of Science Class 10th.
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    1. (b) Dobereiner

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