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The permissible dose of chloride in domestic sewage is __________

(a) 120ppm

(b) 10ppm

(c) 1ppm

(d) 250ppm

This question was posed to me by my college director while I was bunking the class.

Question is from Chemical Characteristics of Waste Water in portion Wastewater Characteristics of Environmental Engineering

1 Answer

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Best answer
Correct option is (a) 120ppm

Easy explanation: Domestic sewage includes waste from kitchen, laundry, toilet, bathroom, etc., which contain higher amount of chloride content, so the permissible dose of 120ppm is kept for domestic sewage.

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