Question

(d) (i) and
4. Corrosion of metals can be prevented
(a) by coating the metal surface with a paint.
(b) by applying film of grease and oil on the surface of the metal.
(c) by covering the surface of the metal with another metal which is more electrope
(d) all of these​

Answer 1

Answer:

d) all of these

Explanation:

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Answer 2

Answer:

d) all of these

Explanation:

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