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CBSE Class 10 Science 2015 Term I Set 1

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Question : 7 of 36
 
Marks: +1, -0
Name the substance oxidised and the substance reduced, and also identify the oxidising agent and reducing agents in the following reaction :
(a) 3MnO2+4Al→3Mn+2Al2O3
(b) Fe2O3+3CO→2Fe+3CO2
(c) SO2+2H2S→3S+2H2O
Solution:
Substance oxidised =Al
Substance reduced =MnO2
Oxidising agent =MnO2
Reducing agent =Al
Substance oxidised =CO
Substance reduced =Fe2O3
Oxidising agent =Fe2O3
Reducing agent =CO
Substance oxidised =H2S
Substance reduced =SO2
Oxidising agent =SO2
Reducing agent =H2S
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