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Question- Which of the following are redox and which are not redox reactions. If it is a redox reaction, identify what is oxidized and what is reduced.
A) Al2O3 + HCL ----> AlCl3 + H2O
B) H2S + SO2 -----> S + H2O
C) SiBr4 + H2O ---> H2SiO3 + HBr
D) H2O2 ----> H2O + O2
Give your answer with short explanation
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