1.

(X)overset(KOH)to (Y) (gas turns red litmus blue)+(Z)overset(Zn+KOH)to(Y) (gas). (X)overset(Delta)to gas (does not support combustion) identify (X) to (Z):

Answer»

`X=NH_(4)NO_(2)""Y=NH_(3)""Z=KNO_(2)`
`X=(NH_(4))_(2)Cr_(2)O_(7)""Y=NH_(3)""Z=Cr_(2)O_(3)`
`X=(NH_(4))_(2)SO_(4)""Y=NH_(3)""Z=K_(2)SO_(4)`
`X=NH_(4)NO_(3)""Y=NH_(3)""Z=KNO_(3)`

Answer :A


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