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MCQ
In 2H2S + SO2 -> 3S + 2H2O, the sulphur that is oxidized comes from ____.
Unit-7 Electrochemistry
A H2S
B SO2
C H2O
D None of these
Explanation

In H2S sulphur (-2) rises to 0; in SO2 (+4) it falls to 0.

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