Chemistry
State the meaning of the term 'water pollution'. State how would you find out the different sources of pollution of water bodies in the locality.
Practical Chemistry
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Answer
Water pollution is an undesirable change in the chemical, physical and biological conditions of water due to the presence of foreign substances in water.
It leads to degradation in the quality of water and makes it unsuitable for it's designated use.
The main sources of pollution of water bodies in the locality are:
- Household Detergents — Household chemical cleaning organic compounds used for laundering and dish washing contain phosphates, mainly sodium triphosphate. Phosphates are a major source of water pollution.
- Domestic Sewage — It is the waste water generated from household activities. Domestic sewage water contains organic materials from food and vegetables and inorganic materials like phosphates and nitrates from soaps and detergents.
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