Bromine content in sea water may be around _________________ ppm?
Correct answer: A. 70
- A. 70
- B. 640
- C. 1875
- D. 2500
Explanation
Seawater contains bromide equivalent to roughly 60 to 70 ppm bromine, so 70 ppm is the closest option. The higher values are far above the normal bromine concentration in seawater.
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