MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Corrosion

What is corro...

Question

What is corrosion? What are the necessary conditions for corrosion?

Open in App

Solution

Corrosion is the phenomenon of attacking the surface of a metal by air and moisture, so the metal gets corrodes.
Necessary conditions for corrosion are:
Presence of oxygen and air.
Presence of water and moisture.
Metals placed higher in the activity series.

Suggest Corrections

thumbs-up

45

Similar questions

Q. Aluminium protects itself against corrosion. Discuss why it is necessary to anodize aluminium to make it corrosion resistant.

Q. Answer the following
A. What is done to prevent corrosion of metals?
B. What are the metals that make the alloys brass and bronze ?
C. What are the adverse effects of corrosion ?
D. What are use of Noble metals. ?

Q. (a) Explain the term "corrosion" with an example. Write a chemical equation to show the process of corrosion of iron.
(b) What special name is given to the corrosion of iron?
(c) What type of chemical reaction is involved in the corrosion of iron?
(d) Name any three objects (or structures) which are gradually damaged by the corrosion of iron and steel.

Q. What is corrosion? What are the necessary conditions for corrosion? State the conditions in which corrosion is faster. [5 MARKS]

What are the two conditions which promote corrosion?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Corrosion

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Standard VII Chemistry

Join BYJU'S Learning Program

CrossIcon