Question

4. Which of the following is not a redox reaction?
(a) CaCO3 CaO + CO2
(b) O2 + 2H → 2H2O
1
(C) Na + H2O- NaOH +
2
(d) Mncia - MnCl, +CI
2.
H₂
1
Cl2​

Answer 1

Answer:

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Answer 2

Answer:

OPTION A IS YOUR ANSWER:CaCO3 CaO+CO2

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