Question

Describe how insurable impurities in water can be removed with the help of filtration

Answer 1

Filtration: In this method, insoluble impurities are removed by passing the impure water through a filter paper.

Answer 2

Answer:

• Removal of Suspended & Dissolved Impurities: Removal of coarse, dispersed and colloidal impurities from water is known as clarification.
• Removal of Dissolved Gases: It has been found that some of the gases if present in water in dissolved form may cause certain difficulties.
• Removal of Gas from Water: Dissolved gases, such as O2, Cl2, CO2 and H2S etc., are removed from water by various chemical and physico-chemical methods.
• Removal of Iron and Manganese: Manganese and Iron are objectionable generally found toget