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Science and Technology - General Knowledge Questions
Metal extracted from seawater
A)
Sodium
B)
Magnesium
C)
Calcium
D)
Potassium

Correct Answer :   Magnesium

In the US, 63% of magnesium production came from seawater. The Metal is extracted from seawater and brines by means of electrolysis, a process that requires the passing of a current through a molten salt. This extracts the metal from the salt, but requires a high temperature to melt the salt.

Published On : June 14, 2021
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