1.

Sodium peroxide which is yellow solid , when exposed to air becomes white due to the formation of

Answer»

`H_(2)O_(2)`
`Na_(2)O`
`Na_(2)O and O_(3)`
`NAOH and Na_(2)CO_(3)`

Solution :In presence of MOISTURE and `CO_(2)` present in AIR , `Na_(2)O_(2)` is CONVERTED into NaOH and `Na_(2)CO_(3)` respectively both of which are white
`Na_(2)O_(2) + H_(2) O to 2 NaOH + H_(2)O_(2)`
`2 Na_(2) O_(2) + 2 CO_(2) to 2 Na_(2) CO_(3) + O_(2)`
or `Na_(2)O_(2) + H_(2)O +CO_(2) to Na_(2)CO_(3) + H_(2)O_(2)`


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