General Science - Chemistry
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Q.

Which of the following metal is extracted from sea water?

 A.

Fluorine

 B.

Chlorine

 C.

Copper

 D.

Magnesium

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Solution:
Option(D) is correct

Seawater contains large amounts of dissolved ions and the four most concentrated metal ones which are magnesium, calcium, potassium and sodium are being commercially extracted today. However, all the other metal ions exist at much lower concentrations.


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