Q. The metal that forms a self protecting film of oxide to prevent corrosion is

A) Na
B) Al
C) Cu
D) Au
Explanation

The correct answer is Option B: Al.

A detailed explanation for this question is being prepared.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.