Question

& Give the name of chemical
substances which is used for
quick settle down of fine particles of impurities.​

Answer 1

Answer:

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Sedimentation is recommended as simple pre-treatment of water prior to application of other purification treatments such as filtration and disinfection methods. It removes undesirable small particulate suspended matters (sand, silt and clay) and some biological contaminants from water under the influence of gravity......❤❤❤

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