Question

Apart from triads what was the major achievement of Dobereiner​

Answer 1

Answer:

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Explanation:

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Answer 2

Johann Wolfgang Döbereiner was a German chemist who is best known for work that foreshadowed the periodic law for the chemical elements, and for inventing the first lighter, which was known as the Döbereiner's lamp.[1] He became a professor of chemistry and pharmacy at the University of Jena.

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