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What is a reduction reaction? Identif...

What is a reduction reaction?
Identify the substances that are oxidised and the substances that are reduced in the following reaction.
`2Pb0 + C to 2Pb + CO_2`

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Those reactions in which addition of hydrogen to a substance or removal of oxygen from a substance take place are called reduction reactions.

PbO is reduced to Pb and C is oxidised to `CO_2`.
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