General Knowledge - Chemistry - Discussion
Discussion Forum : Chemistry - Section 1 (Q.No. 75)
75.
The metal that is usually extracted from sea water is
Discussion:
16 comments Page 1 of 2.
KRANTHI said:
7 years ago
Each cubic kilometre of seawater contains more than a million tons of magnesium compounds. 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.
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.
(1)
Anusha said:
4 years ago
why not Na? Explain, please.
(1)
Santosh kumar said:
1 decade ago
As it is the 7th most important element on the earth.
Vikas said:
1 decade ago
Most is O2 85%, here Na is the right answer 1.08% and 0.12%.
Athiraja said:
1 decade ago
Na - 10,800 (Concentration in seawater (ppm)), Mg - 1,290, Ca - 411.
Zafar ali said:
1 decade ago
Mg can be with chloride and as carbonate.
KKavithaMuniyasamy said:
1 decade ago
Magnesium is the correct answer.
Archana said:
9 years ago
I think Na is the right answer.
Anjana said:
9 years ago
Why not Na?
Bharat said:
9 years ago
Because NaCl (salt) is extracted not Na.
So, Mg is the correct answer.
So, Mg is the correct answer.
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