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Serveral blocks of magnesium are fixed t...

Serveral 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.

Text Solution

Verified by Experts

The correct Answer is:
C
Magnesium with lower R.P. than iron. Therefore, when in contact with iron it will protect iron from corroison due to salt and water.
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