What is corrosion?

Q.  What is meant by corrosion?
- Published on 11 Sep 15

a. Chemical reaction between anode, cathode and electrolyte, which leads to loss of metal
b. Deterioration of metals due to reaction with its environment
c. Both a. and b.
d. None of the above

ANSWER: Both a. and b.
 

    Discussion

  • Sravanthi    -Posted on 16 Nov 15
    - The deterioration of metals by reaction with its environment is called as corrosion.

    - During corrosion, properties of metals change and lead to impairment of metal functions.

    - Different factors influencing corrosion are heat treatment and grain direction, temperature, availability of oxygen, mechanical stresses on corroding metals, biological organisms, etc.

    - Different types of corrosion are: corrosion fatigue, sulphide corrosion, erosion corrosion, cavitation corrosion, stress corrosion cracking, etc.

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