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Which One of the Following Is a Redox Reaction

Question 103

Multiple Choice

Which one of the following is a redox reaction?


A) 2Na(g) + Cl2(g) 2NaCl(s)
B) Ba2+(aq) + SO42-(aq) BaSO4(s)
C) K2Cr2O7(aq) + 2KOH(aq) 2K2CrO4(aq) + H2O(l)
D) Na2CO3(s) + 2HCl(aq) 2NaCl(aq) + CO2(g) + H2O(l)
E) H2O(l) H+(aq) + OH-(aq)

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