Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â are used as cathodic inhibitors to prevent corrosion of metals

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1.	Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â are used as cathodic inhibitors to prevent corrosion of metals
A.	chromates
B.	nitrates
C.	antimony and arsenic oxides
D.	phosphates
Answer» D. phosphates