mediumFPSCNTSCSSPPSCOTSIBASTSECATMDCATFamous Inventions & Inventors
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Correct Answer: A: Dmitri Mendeleev
Explanation: Dmitri Mendeleev developed the periodic table in 1869 by arranging chemical elements according to their atomic properties. His table helped scientists understand relationships between elements and predict the discovery of new elements. The periodic table remains one of the most important foundations of modern chemistry and science education worldwide. Questions regarding scientific discoveries are highly important in exams.
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