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Which two wastes make the Leblanc process costlier than Solvay's?
ACaS and hydrogen chloride
BCaCl2 and ammonia gas
CNa2SO4 and CO2 gas
DNH4Cl and lime waste
Answer & Solution
Correct answer: A. CaS and hydrogen chloride
Leblanc's route gave off HCl and left calcium sulfide as solid waste.
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