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As per your syllabus, the decomposition CaCO₃(s) → CaO(s) + CO₂(g) is classified as which kind of reaction?
AA disproportionation
BNot a redox
CA combination redox
DA displacement redox
Answer & Solution
Correct answer: B. Not a redox
Your syllabus: all ox.
numbers stay the same (Ca +2, C +4, O −2).
Not all decompositions are redox.
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