Potable Water

Q. Oxides of which of the following are responsible for the acid rain?

1. Sulphur
2. Copper
3. Nitrogen
4. Zinc

Q.

Which of the following is a popular household filter?

1. Candle type filter

2. Metal filter

3. Waterfall filter

4. Spiral filter

Q.

Water treatment plant is a must for industries generating sewage.

1. True
2. False

Q.

The water purification methods are:

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

Q.

Which of the following is not present in the filtered water?

1. Minerals
2. Dirt
3. Germs
4. Salts

Q.

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

1. Chlorination

2. Boiling

3. Reverse Osmosis

4. Melting

Q.

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

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

Q. Clear, transparent water is always fit for drinking.

1. True
2. False

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. ____ is the byproduct obtained from a wastewater plant.

1. Oxygen
2. Biogas
3. Grit
4. Plastic