Advertisements
Advertisements
Question
What works are undertaken to make water available even after the rainy season?
Advertisements
Solution
- Different methods are adopted to make water available even after the rainy season.
- In places where large dams cannot be constructed, smaller reservoirs are made.
- Counterbunding, stopping water from the streams by building bunds, and similar such works are undertaken by the government and the local people.
APPEARS IN
RELATED QUESTIONS
Use your brain power!
How should roads and footpaths be built to make rainwater seep into the ground?
Fill in the blanks with the help of words given in bracket after the sentence.
Water which looks clean still has disease carrying ______ and ______ impurities.
(insects, microorganisms, particles, dissolved, harmful)
Find out the wrong statement and write it in its correct form.
Chlorination is a commonly used chemical method for killing germs in water.
Find out the wrong statement and write it in its correct form.
Water that is suitable for drinking is called soft water.
Explain the traditional ways of purifying water to make it fit for drinking.
Why are open drains a concern?
______ from the air and sunlight destroy the germs present in water.
Washing soda is used to remove permanent hardness of water.
Match the following:
| 1. | The density of pure water | a. | Inflammable air |
| 2. | Henry Cavendish | b. | Cathode |
| 3. | Hydrogen | c. | 1 g/cm3 |
| 4. | Negative carbon electrode | d. | Hydrogen |
Name the chemical which converts chlorides and sulphates into insoluble carbonates.
