Question

describe any two of the technique used to prevent corrosion of metal

Answer 1

coating,greasing,galavanization and many more

Answer 2

HEYA MATE HERE U GO

. covering the surface of metal with paint or by some chemicals like bisphenol which prevent the surface of metallic object to come in contact with atmosphere.

. covering the surface of metal by other metals like tin or zinc that are inert or react themselves with atmosphere to save the metal.

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