1.

(NH_(4))_(2)Cr_(2)O_(7) on heating gives

Answer»

`Cr_(2)O_(3)`
`N_(2)`
`H_(2)CrO_(4)`
`NH_(3)`

Solution :`(NH_(4))_(2)Cr_(2)O_(7)overset(DELTA)rarr Cr_(2)O_(3)+N_(2)+4H_(2)O`


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