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Which of the Following Involves Reduction?
A)Ca2+(aq)+ CO32-(aq) \rarr CaCO3(s)
B)2 H+(aq)+ SO32-(aq)

Question 119

Multiple Choice

Which of the following involves reduction?


A) Ca2+(aq) + CO32-(aq) \rarr CaCO3(s)
B) 2 H+(aq) + SO32-(aq) \rarr H2O(l) + SO2(g)
C) VO43-(aq) \rarr VO2+(aq)
D) CrO2- (aq) \rarr CrO42-(aq)
E) 2 S2O72-(aq) + H2O(l) \rarr 2 SO42-(aq) + 2 H+(aq)

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