Q: Which of the following triads was not given by Dobereiner?
(a)Ca, Sr, Ba
(b)Cl, Br, I
(c)N, P, As
(d)Be, Mg, Ca
Correct Answer: (c)
The correct answer is (c): N, P, As. Subject: General Studies | Sub-topic: Miscellaneous Note: This answer was determined through AI-based research. Verify against the official answer key when available.