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                                    Identify the substances that are oxidised and the substances that are reduced in the reaction : 4Na(s)+ O_(2)+ 2Na_(2)O(s) | 
                            
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Answer» Solution :`4Na(s)+ O_(2)+ 2Na_(2)O(s)` In this REACTION, sodium (Na) metal is oxidised to `Na_(2)O` and `O_(2)` is REDUCED.  | 
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