Class 11 Chemistry Classification of Elements and Periodicity in Properties History of periodic table

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The law of triads is applicable to a group of

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A
$Cl, Br, I$
B
$C, N, O$
C
$Na, K, Rb$
D
$H, O, N$

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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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