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Red lead used as primer for iron to prev...

Red lead used as primer for iron to prevent it from rusting is (1) P b 3 O 4 (2) PbO (3) P b O 2 (4) P b 2 O

A

`Pb_(3)O_(4)`

B

PbO

C

`PbO_(2)`

D

`Pb_(2)O`

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