1.

Given are the following observation: The correct statement is/are:

Answer»

`underset((PPT))(Y) +PB(OH)_(2)`
The precipitate Y dissolve in excess `NaOH` to FORM `Pb(OH)_(4)^(2-)` ion
Z is `PbO_(2)`
Z is `Hg +HgO`

ANSWER :A::B::C


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