General Knowledge - Chemistry - Discussion

Discussion Forum : Chemistry - Section 1 (Q.No. 75)
75.
The metal that is usually extracted from sea water is
Ca
Na
K
Mg
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
16 comments Page 2 of 2.

Archana said:   9 years ago
I think Na is the right answer.

KKavithaMuniyasamy said:   1 decade ago
Magnesium is the correct answer.

Zafar ali said:   1 decade ago
Mg can be with chloride and as carbonate.

Athiraja said:   1 decade ago
Na - 10,800 (Concentration in seawater (ppm)), Mg - 1,290, Ca - 411.

Vikas said:   1 decade ago
Most is O2 85%, here Na is the right answer 1.08% and 0.12%.

Santosh kumar said:   1 decade ago
As it is the 7th most important element on the earth.


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