Water is chlorinated to: - Vidyadip

MCQ

Water is chlorinated to:

✓
Kill germs
B
Change colour
C
Soften it
D
Improve its taste

✓

Answer

Correct option: A.

Kill germs

Water chlorination is the process of adding chlorine or chlorine compounds such as sodium hypochlorite to water.
This method is used to kill bacteria, viruses and other microbes in water.
In particular, chlorination is used to prevent the spread of waterborne diseases such as cholera, dysentery, and typhoid.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "MCQ (1 Marks)" from Water: A Precious Resource→Water: A Precious Resource — all question types→Science STD 7 question papers→Gujarat Board STD 7 question papers→Gujarat Board question paper generator→

Similar questions

A student has four solutions among which one is acidic in nature. She wants to identify the acidic solution using a litmus paper. Which of these observations would help to identify the acidic solution?

A weather report gives details of which of the following?

Winds currents generated by uneven heating between the equator and the:

Rusting can be prevented by:

Tick the most suitable answer in questions $1$ and $2.$
The water holding capacity is the highest in:

For protecting iron pipes from corrosion, they are coated with.

Paheli Is Writing Some Sentences About Chemical Change. Choose The Incorrect Statement And Help Her?

What will happen if the striker of a doorbell is kept in a magnetic field in a direction perpendicular to motion of striker:

Concave lens is also known as:

Seeds of drumstick and maple are carried to long distances by wind because they possess