The common oxidation state of alkali metals in the combined state is

1.	The common oxidation state of alkali metals in the combined state is
A.	+1
B.	+2
C.	-1
D.	-2
Answer» B. +2

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Oxidation state of Mn in acidic KMnO4 change from is :

The common oxidation state of alkali metals in the combined state is

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