Q. Several blocks of magnesium are fixed to the bottom of Aship to

A) Keep away the sharks
B) Make the ship lighter
C) Prevent action of water and salt
D) Prevent puncturing by under- seArocks
Explanation

(c)
Blocks of magnesium metal provide cathodic protection and protect oxidation of steel.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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