The most harmful component of detergents causing water pollution is:
Correct answer: C. Alkyl benzenes sulphonate
- A. Linear alkyl sulphonate
- B. Sulphates and phosphate
- C. Alkyl benzenes sulphonate
- D. None of these
Explanation
Alkyl benzene sulphonate, or ABS, is a persistent detergent surfactant that resists biodegradation and can produce lasting foaming and pollution. Linear alkyl sulphonate is more biodegradable, while phosphates mainly promote eutrophication.
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