Question

Write a short note on impurities of water

Answer 1

Answer:

Impurities are also introduced in water when it comes in contact with sewage or industrial waste. River water contains dissolved minerals like chlorides, sulphates, bicarbonates of sodium, magnesium, calcium and iron. It also contains suspended impurities of sand, rocks and organic matter.

Explanation:

Answer 2

Answer:

Colloidal Impurities in Water. Colloidal impurities in water include organic waste products and amino acids. This problem occurs due to contact with suspended matter and elements like sand, rocks and organic matter flowing in rivers, streams and lakes that renders water undrinkable or non-pure.