Salt is the basic raw material for the manufacture of____________________?
Correct answer: D. Caustic soda
- A. Cement
- B. Glass
- C. Potteries
- D. Caustic soda
Explanation
Brine, a concentrated aqueous solution of sodium chloride, is electrolysed to produce caustic soda along with chlorine and hydrogen. Salt is also used in other industries, but it is the principal raw material in the chlor-alkali process.
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