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CBSE Class 10 Science 2016 Term 1 Paper

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Question : 8 of 36
Marks: +1, -0
State the relationship between oxidation and oxidising agent in a redox reaction. Give an example of redox reaction showing the relationship between oxidation and oxidising agent.
Solution:  
Oxidation is addition of oxygen or removal of hydrogen. The oxidising agent causes oxidation of other compound by getting reduced itself.
   e.g., :   CuO+H2→Cu+H2O\; \text{ e.g., : } \; \mathrm{CuO} + \mathrm{H}_2 \rightarrow \mathrm{Cu} + \mathrm{H}_2 \mathrm{O}
CuO\mathrm{CuO} is getting reduced to Cu\mathrm{Cu} so it is an oxidising agent. It oxidises H2\mathrm{H}_2 to H2O\mathrm{H}_2 \mathrm{O}.
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