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Out of sodium and sulphur which ls a met...

Out of sodium and sulphur which ls a metal? Explain its reaction with the oxygen.

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Out of sodium and sulphur, sodium is metal. Sodium metal combines with oxygen in the air even at room temperature and forms sodium oxide.
`underset"Sodium"(4Na_((s))) + underset"Oxygen"(O_(2(g))) to underset"Sodium oxide"(Na_2O_((s)))`
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