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All alkaline earth metals in their compounds carry:
APlus four
BPlus five
CPlus two
DPlus one
Answer & Solution
Correct answer: C. Plus two
1. Alkali metals carry plus one.
2. These sit in the next group across.
3. They carry plus two.
_Source: NCERT Class 11 Chemistry, Unit 7 'Redox Reactions'_
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