Question

define corrosion. what are the various factors affecting corrosion. how can it be prevented​

Answer 1

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• Three things are necessary for corrosion to occur: an electrolyte, an exposed metal surface, and an electron acceptor. Corrosion can be prevented by removing one of these conditions. Coating a metal surface with paint or enamel provides a barrier between the metal and the moisture in the environment.

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Answer 2

Answer:

Corrosion is a natural process that converts a refined metal into a more chemically stable form such as oxide, hydroxide, or sulfide. It is the gradual destruction of materials by chemical and/or electrochemical reaction with their environment. There are many factors that influence the corrosion of metal.

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Each metal reacts differently to the environment

Expected lifespan.

Temperature.

(Reaction) speed.

Concentration.

Pollution.

Ventilation.When some metals are exposed to moisture, acids etc., they tarnish due to the formation of respective metal oxide on their surface. This process is called corrosion. Corrosion can be prevented by painting the surface, oiling, greasing, galvanizing, chrome plating or making alloys