1.

Thermal decomposition of ammonium dichromate gives

Answer»

`N_(2),H_(2)OandCr_(2)O_(3)`
`N_(2),NH_(3)andCrO`
`(NH_(4))_(2)CrO_(4)andH_(2)O`
`N_(2),H_(2)OandCrO`

Solution :`(NH_(4))_(2)Cr_(2)O_(7)OVERSET(Delta)toN_(2)+Cr_(2)O_(3)+4H_(2)O`


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