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Q:

सर्वप्रथम किसने वैज्ञानिक आधार पर द्रव्य का परमाणु सिद्धांत प्रस्तुुत किया ?

  • 1
    मेक्स प्लान्क
  • 2
    मोल्रर
  • 3
    नील बोर
  • 4
    जोन डाल्टन
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Answer : 4. "जोन डाल्टन"
Explanation :

In 1793, John Dalton went to Manchester to teach mathematics, physics and chemistry in a college. There he spent most of his life in teaching and research. In 1808, he presented his atomic theory, which proved to be an important theory for the study of substances.

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