KCET SERIES Chemistry
Corrosion
1 previous year questions.
Volume: 1 Ques
Yield: Medium
High-Yield Trend
1
1993 Chapter Questions 1 MCQs
01
PYQ 1993
medium
chemistry ID: kcet-199
A1 is more reactive than Fe but A1 is less'-easily corroded than Fe because
1
It is a noble metal
2
Oxygen forms a protective oxide layer
3
Iron undergoes reaction easily with water
4
Fe form mono and divalent ions.