Question

what is corrosion?explain factors responsible for corrosion

Answer 1

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

Factors Affecting Corrosion. Metalcorrosion is a slow process of destruction of metal objects, after chemical reactions that occur on the surface of metals, alloys, under the action of the environment. Corrosionprocess is influenced by a number of internal and external factors.

Answer 2

corrosion is a slow process of destruction of metal objects, after chemical reactions that occur on the surface of metals, alloys, under the action of the environment. 

The factors are 1.More the reactivity of metal, the more will be the possibility of the metal getting corroded.

2.The impurities help in setting up voltaic cells, which increase the speed of corrosion

3. Presence of electrolytes in water also increases the rate of corrosion

4. Presence of in natural water increase rusting of iron.

5.When the iron surface is coated with layers of metals more active than iron, then the rate of corrosion is retarded.

6. A rise in temperature (with in a reasonable limit) increases the rate of corrosion.


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