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Hardness of the water in the lime soda process is reduced to __________(a) 10-15ppm(b) 15-30ppm(c) 30-35ppm(d) 35-40ppmI had been asked this question in an interview for job.This intriguing question comes from Lime Washing Soda Method in portion Water of Applied Chemistry |
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Answer» RIGHT choice is (b) 15-30ppm Explanation: HARDNESS of the water in the lime soda process is reduced to 15-30ppm. The lime soda process INVOLVES the conversion of the soluble complexes into the insoluble PRECIPITATES. |
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