Question

6. Pick from the following one chemical used to sinfect water
Chlorine
(b) Washing soda
Silca
Coal
7.
The system of a network of pipes used for taking away
wastewater from homes or public buildings to the treatment
plant is known as
SEWVERS
(b) sewerage-
transport system
treatment plant.
Which of the following is a part of inorganic impurities of the
sewage?
(a) Pesticides
8
Publisher
Phosphates
(d) Vegetable waste
In a filtration plant water is filtered using layers of
sand and clay
clay and fine gravel.
sand and fine gravel.
sand, fine gravel and medium gravel.
Which of the following is not a source of waste water?
Sewers
(b) Homes
Industries
Hospitals
10.
VERY SHORT ANSWER Quesnons
11. Why are open drains a concern?
12. State whether the following statements are True or False. In
case a statement is false, write the correct statement
(a) Sewage is a solid waste which causes water pollution
and soil pollution​

Answer 1

Answer:

Sorry!

Explanation:

I don't know‍♀ the answer of this question...really sorry

Answer 2

oef-ajvb-egy goes skjs