Potable Water

Q.

Give one word for the following :Water fit for consumption

Q.

Differentiate between the following: Reverse osmosis and Distillation

Q.

Water treatment plant is a must for industries generating sewage.

1. False
2. True

Q.

Suggest various ways by which water pollution can be controlled.

Q.

Which of these a water purifier cannot do?

1. remove odour from water

2. remove hardness from water

3. remove unwanted impurities from water

4. none of these

Q.

What is potable water?

Q. Clear and transparent looking water is not always potable. This is because it may contain microorganisms like algae, bacteria, etc., The best method to kill microorganisms and purify water is by the process of__________.

1. Boiling
2. Freezing
3. Filtration
4. Decantation

Q.

The water purification methods are:

1. Household filtration
2. Chlorination
3. Boiling water
4. Cooling water

Q.

Water which is suitable for drinking is called _____.

Q.

Potable water is:

1. Water used for drinking
2. Water free from germs
3. Water free from visible impurities
4. Water not suitable for drinking

Q. You are a member of the municipal body of your town.
Make a list of 5 measures that would help your town to ensure the supply of clean water to all its residents. [5 MARKS]​

Q. Study the figure below showing components of water cycle represented by P, Q, R, S, T.


Which of the following can be harnessed to conserve rainwater?

1. Q, S
2. P, Q
3. P, S
4. S, T

Q.

Explain the process of desalination by reverse osmosis? [3 MARKS]

Q.

Water that is fit for drinking is appropriately called _____ water.

1. ground
2. distilled
3. potable
4. bottled

Q.

Identify the popular water purification technique that is used for drinking purposes in domestic cities.

1. Boiling

2. Melting

3. Chlorination

4. Reverse Osmosis (RO)

Q.

Question 29
Explain the traditional way of purifying water to make it fit for drinking.