Question

Is corrosion is beneficial?if yes than why?​

Answer 1

Answer:

Following are the advantages of corrosion: i) Layer of protection: A layer of oxide is formed in surface corrosion which protects the inner metal from corrosion. ii) Sacrificial anodes such as zinc is used as a preventive measure to stop corrosion of other metals.

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Answer 2

Answer:

yes corrosion is beneficial sometimes.

Explanation:

Following are the advantages of corrosion:

i) Layer of protection: A layer of oxide is formed in surface corrosion which protects the inner metal from corrosion.

ii) Sacrificial anodes such as zinc is used as a preventive measure to stop corrosion of other metals.

iii) Galvanic corrosion: This type of corrosion occurs when two different types of metals are in electrical contact in an electrolyte where the more active metal tends to corrode