Q.

The rusting of iron is a/an -

A. physical change
B. electrochemical change
C. electrical change
D. None of the above
Answer» B. electrochemical change
Explanation: When iron is exposed to air and moisture, its surface gradually corroded and converted into a brown mass. The rusting of iron is due to the formation of hydrated ion. Rusting is an electro-chemical process.
702
0
Do you find this helpful?
4

View all MCQs in

Chemistry

Discussion

No comments yet