Physics, asked by ashleen14, 11 months ago

given below are the few impurities in urban waste water . select two colloidal impurities : ammonia , foecal matter , silt , bacteria , calcium

Answers

Answered by pranjal133169

3

Baacteria and ammonia

Answered by InzilPinto7

3

ammonia and bacteria are two colloidal impurities

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