SELECT * FROM question_mgmt as q WHERE id=3605 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=9 AND subId=16 AND chapterId=256 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 10th science Periodic Classification of Element what were the limitations of d ouml bereiner rsquo

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What were the limitations of Döbereiner’s classification?

Answer:

According to Dobereiner’s classification: All elements present during that period cannot be classified into a group of three on the basis of their properties.


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  • Answered by Ekta Mehta
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