Which of the following is used to protect iron from rusting ?
A. PbO B. PbO2
C. Pb3O4 D. PbSO
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4
Answer:
Pb3O4 or Red lead is used in making rustproof paint. Thus used to protect iron from rusting.
Answered by
1
According to the question we have to determine the compound which is used to protect iron from rusting,and the answer would be Pb3O4
•Because Pb3O4 is used to prevent rusting in paints,it prevents its corrosion and it also acts protective coating on iron, Pb3O4 is a mixed oxide of lead, Pb3O4 is a mixture of PbO and PbO2
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