(a) What is rust ? (b) State at least two ways of prevent rusting.
(a) What is rust ?
(b) State at least two ways of prevent rusting.
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(a) Rust: Rust is the hydrated ferric oxide (Fe2O3 . x* H2O), which forms a brownish red coating over iron. (* x can be any number.)
(b) Two ways of prevention of rusting :
1. Painting with red lead.
2. Oil paint is applied on doors and windows.
3. Enamel coating. Enamel is a mixture of iron, and steel with silicates.
4. Coal tar it is used for coating the lower parts of ships and bridges.
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