Q76
The metal that is usually extracted from sea water is
A.
Ca
B.
Na
C.
K
D.
Mg
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
In the US, 63% of magnesium production came from seawater and brines during 2015. 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.