Answer the following question. a) What is meant by corrosion? b) Write names of any two methods of prevention of corrosion. c) In which method, metal like copper, aluminium are coated with a thin layer of their oxides by means of electrolysis. d) Explain this method with diagram.
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A) The process of slow eating up of metal due to their conversion in to oxide carbonate etc by the action of moisture is called corrosion.
B) i)Alloying
ii)Galvanisation
C) electropanting
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