Question

What is corrosion explain its advantages and disadvantages?

Answer 1

Answer:Corrosion is a natural process that converts a refined metal to a more chemically-stable form, such as its oxide, hydroxide, or sulfide. It is the gradual destruction of materials (usually metals) by chemical and/or electrochemical reaction with their environment.

Advantages of corrosion -

Protection : Surface corrosion forms an oxide layer which further protects the inner metal form corrosion.

Corrosion prevents corrosion : Some metals like zinc are used as sacrificial anodes to prevent corrosion to other metal.

Galvanic corrosion : The principle on which primary batteries work. In which one metal corrodes preferentially to another when both metals are in electrical contact, in the presence of an electrolyte.

The main disadvantage of corrosion is the purity of the metal is lot certainly.

In addition to this, the important properties of iron may lost and due to uncertainty of corrosion elements.

The strength is lost and loses the properties due to corrosion. It greatly affects normal iron by means of corrosion.

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Explanation:

Answer 2

Answer:

Corrosion is a natural process that converts a refined metal to a more chemically-stable form, such as its oxide, hydroxide, or sulfide. It is the gradual destruction of materials (usually metals) by chemical and/or electrochemical reaction with their environment. Corrosion engineering is the field dedicated to controlling and stopping corrosion.

Explanation:

Advantages =

There are some advantages of corrosion. Surface corrosion forms an oxide layer. It acts as a barrier for air and moisture and thereby preventing the inner metal from corrosion. Some metals like zinc act as sacrificial anodes to prevent corrosion to other metals.

Disadvantages =

The main disadvantage of corrosion is the purity of the metal is lot certainly. In addition to this, the important properties of iron may lost and due to uncertainty of corrosion elements. The strength is lost and loses the properties due to corrosion. It greatly affects normal iron by means of corrosion.