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Q:

रसायन विज्ञानं पर प्रथम अंतर्राष्ट्रीय सम्मेलन कब हुआ ?

  • 1
    1860
  • 2
    1856
  • 3
    1863
  • 4
    1850
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Answer : 1. "1860"
Explanation :

The Karlsruhe Congress was called so that European chemists could discuss matters of chemical nomenclature, notation, and atomic weights. The organization, invitation and sponsorship of the conference was handled by August Kekulé, Adolf Wurtz and Carl Weltzien.

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