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Which is incorrect:-...

Which is incorrect:-

A

`{:("Mixture","Separated by"),((1)Na_(2)S&CuS,H_(2)O):}`

B

`{:("Mixture","Separated by"),((2)PbS & ZnS, NaCN):}`

C

`{:("Mixture","Separated by"),((3)Fe_(2)O_(3)","Al_(2)O_(3),HCl):}`

D

`{:("Mixture","Separated by"),((4)Al_(2)O_(3)","MgO,NaOH):}`

Text Solution

Verified by Experts

The correct Answer is:
C
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