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Question

A mixture (x) in water contains suspended solids, organic impurities, inorganic impurities (a), nutrients (b), disease-causing bacteria, and other microbes. Give names for (x), (a) and (b)?


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Solution

Sewage:

  1. (X) is sewage or wastewater.
  2. (A) are the impurities nitrogen or phosphorus.
  3. (B) are the disease-causing bacteria Vibrio coma or Salmonella typhi.
  4. The wastewater generated from houses, hospitals, industries, offices, and other sources is termed sewage.
  5. Sewage is comprised of rainwater that can down the streets in a storm.
  6. The water coming after being washed from roads and rooftops has many harmful substances.
  7. Sewage is a liquid waste, which also contains dissolved and suspended impurities in it. These impurities are known as contaminants.

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