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The major disadvantage of lime soda process of water softening is that | |
A. | it is unsuitable for turbid and acidic water [Wrong Answer] |
B. | huge amount of precipitate is formed which creates a disposal problem [Correct Answer] |
C. | the effluent cannot be reduced to zero hardness [Wrong Answer] |
D. | it is unsuitable for softening the water of excessive hardness [Wrong Answer] |