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Identify the substances that are oxidize...

Identify the substances that are oxidized and the substances that are reduced in the following reactions :
`4Na(s)+O_(2)(g)to2Na_(2)O(s)`

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`Na` is oxidized and `O_(2)` is reduced.
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ZEN PUBLICATION-CHEMICAL REACTIONS AND EQUATIONS-ZEN ADDITIONAL QUESTIONS SECTION (LONG - ANSWER [LA]TYPE QUESTIONS )
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