Question

Match the following given impurities with the harmful effects caused by them.

• A. Foul smell
• B. Clog of drains
• C. Typhoid & malaria

Answer 1

$\bullet$ Physical impurities like plastic bags, cans, bottles,etc. are can lead to the clogging of drains as they occupy space.
$\bullet$ Chemical impurities cause a chemical reaction which lead to a foul smell, which is an indication to impurity.
$\bullet$ Biological impurities are due to the harmful microorganisms which causes diseases like typhoid and diarrohea.