Environment & Ecology · Environmental Engineering
Match the chemicals and solubility products (List I) with their primarily associated water treatment process (List II): List I A. Magnesium hydroxide; pKsp = 11.2 B. Calcium carbonate; pKsp = 8.3 C. Ferric hydroxide; pKsp = 38.5 D. Aluminum hydroxide; pKsp = 33 List II I. Coagulation II. Coagulation and iron removal III. Softening, corrosion control IV. Softening Choose the correct answer from the options given below:
- 1A-III, B-IV, C-I, D-II
- 2A-IV, B-III, C-II, D-I✓
- 3A-IV, B-II, C-III, D-I
- 4A-I, B-III, C-II, D-IV
Correct answer
A-IV, B-III, C-II, D-I
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