Question
Chemistry Question on Redox reactions
Several blocks of magnesium are fixed to the bottom of a ship to :
A
keep away the sharks
B
make the ship lighter
C
prevent action of water and salt
D
prevent puncturing by under-sea rocks
Answer
make the ship lighter
Explanation
Solution
Several blocks of magnesium are fixed to the bottom of a ship to. Magnesium, on account of its lightness, great affinity for oxygen and toughness is used in ship. Being a lighter element, magnesium makes the ship lighter when it is fixed to the bottom of the ship.