Podcast
Questions and Answers
What is one of the methods used for water purification according to the passage?
What is one of the methods used for water purification according to the passage?
- Exposing water to sunlight
- Boiling and Distilling Water (correct)
- Stirring the water vigorously
- Adding soft drinks to water
Which of the following is NOT listed as a benefit of purification in the passage?
Which of the following is NOT listed as a benefit of purification in the passage?
- Removal of suspended matter
- Addition of harmful salts (correct)
- Improvement of taste and smell
- Elimination of disease germs
What is the purpose of using chlorine gas or bleaching powder in water purification?
What is the purpose of using chlorine gas or bleaching powder in water purification?
- To sterilize the water (correct)
- To improve the taste and smell of water
- To remove suspended matter from water
- To add nutrients to the water
Why is the use of a fence all around necessary according to the passage?
Why is the use of a fence all around necessary according to the passage?
What are the three main sources of water supply mentioned in the text?
What are the three main sources of water supply mentioned in the text?
Why is rainwater considered unfit for drinking according to the text?
Why is rainwater considered unfit for drinking according to the text?
How can lakes and ponds be maintained as good water sources, according to the text?
How can lakes and ponds be maintained as good water sources, according to the text?
What are the recommended measures to protect wells as a source of water supply?
What are the recommended measures to protect wells as a source of water supply?
What is suggested construction around a well to prevent waste water from entering it?
What is suggested construction around a well to prevent waste water from entering it?
In what ways can a well be equipped if facilities are available?
In what ways can a well be equipped if facilities are available?
