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Which process is adopted in the manufacture of magnesium compounds from sea?

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Which process is adopted in the manufacture of magnesium compounds from sea?

(a) Calcium treatment

(b) Lime treatment

(c) Caustic soda treatment

(d) Chlorine treatment

The question was asked in class test.

Question is from Chemical From Sea in division Inorganic Chemical Industries of Chemical Technology

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Correct answer is (b) Lime treatment

The best explanation: Magnesium compounds are manufactured from seawater using lime treatment. Calcium treatment is done in order to prevent low calcium level. Lime treatment process was adopted by Dow chemical company.

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