1.

(A): Modern periodic table is called Bohr's periodic table. (R) : Modern periodic table is the graphical representation of Aufbau priniciple

Answer»

Both (A) and (R) are TRUE and (R) is the proper explanation of (A) 
Both (A) and (R) are true but (R) is not the proper explanation of (A) 
(A) is true but (R) is FALSE 
(A) is false but (R) is true

Answer :B


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