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Class 11ChemistryClassification of Elements and Periodicity in PropertiesHistory of periodic table
Easy

The most important active step in the development of the periodic table was taken by

  • A
    Mendeleev
  • B
    Dalton
  • C
    Avogadro
  • D
    Cavendish
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Class 11 Questions

Class 11

Chemistry Questions

Chapter

Classification of Elements and Periodicity in Properties

Subtopic

History of periodic table

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