In primitive days, _____________ was being manufactured by Leblanc Process ?
Correct answer: D. Soda ash
- A. Alum
- B. Washing soda
- C. Calcium carbide
- D. Soda ash
Explanation
The Leblanc process historically produced sodium carbonate, known commercially as soda ash. Washing soda is the hydrated form of sodium carbonate, not the usual name for the principal Leblanc product.
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