First slide

Corrosion

Question

Statement 1 : Stainless steel undergoes rusting.
Statement 2 : Chromium forms an oxide layer over the stainless steel.

Easy

A

Both statements 1 and 2 are correct
B

Both statements 1 and 2 are incorrect
C

Statement 1 is correct statement 2 is incorrect
D

Statement 1 is incorrect statement 2 is correct

Solution

Chromium is more electropositive metal than iron. In stainless steel, chromium forms an oxide layer and protects it from corrosion

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