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Reported Question / Answer
Q.) The valency of the carbonate ion CO<sub>3</sub> is
1)
-2
2)
-1
3)
-4
4)
-3
5)
NULL
Answer :
2
Thank you for reporting wrong Question / Answer / Options
We look forward to your suggestions and feedback.
Message / Correct Answer / Suggestion
Human Verification : Answer 2 + 3 = ?
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