Q: Which of the following sets of elements has the same valency?
(a)Na, Mg, Ca
(b)Na, Mg, Al
(c)Mg, Ca, K
(d)Mg, Ca, Ba
Correct Answer: (d)
Detailed explanation coming soon.
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NDA 2021 Session IQ. 62 of 150
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Q: Which of the following sets of elements has the same valency?
Correct Answer: (d)
Detailed explanation coming soon.