The equation shows the reaction of copper oxide with carbon.
copper oxide + carbon → copper + carbon dioxide
In the reaction, the carbon is the ... 1 ... agent and is ... 2 ... during the reaction.
Which words complete gaps 1 and 2?
1 )
1: oxidising / 2: oxidised
2 )
1: oxidising / 2: reduced
1: reduced / 2: oxidised
4 )
1: reduced / 2: reduced
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