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Are all decomposition reactions redox reactions?
AYes, some are
BNo, not all
CYes, all are
DYes, most are
Answer & Solution
Correct answer: B. No, not all
1. The decomposition of calcium carbonate is the example.
2. No oxidation number changes there.
3. Not all of them are redox reactions.
_Source: NCERT Class 11 Chemistry, Unit 7 'Redox Reactions'_
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