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Some Basic Concepts of Chemistry
Question #22992
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Question
Which of the following represents a redox reaction?
A. NaCl + AgNO3 → AgCl + NaNO3
B. CaCO3 → CaO + CO2
C. HCl + NaOH → NaCl + H2O
D. 2Mg + O2 → 2MgO
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