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4(A)....Substances which help in the process of oxidation are known as oxidising agents.
Substances which help in the process of reduction are known as reducing agents.
(B)....AgNO3 and Fe2O3
5....Corrosion is the deterioration of a metal as a result of chemical reactions between it and the surrounding environment.
6....Rust is an iron oxide, a usually red oxide formed by the redox reaction of iron and oxygen in the presence of water or air moisture.
4Fe+3O2 -> 2Fe2O3
Substances which help in the process of reduction are known as reducing agents.
(B)....AgNO3 and Fe2O3
5....Corrosion is the deterioration of a metal as a result of chemical reactions between it and the surrounding environment.
6....Rust is an iron oxide, a usually red oxide formed by the redox reaction of iron and oxygen in the presence of water or air moisture.
4Fe+3O2 -> 2Fe2O3
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