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प्रश्न
Find out the wrong statement and write it in its correct form.
Chlorination is a commonly used chemical method for killing germs in water.
विकल्प
True
False
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उत्तर
This statement is True.
Correct Statement:
Chlorination is indeed a commonly used chemical method for killing germs in water. It involves adding chlorine or chlorine compounds to water to disinfect it, eliminating harmful microorganisms and pathogens, making the water safe for drinking and other uses.
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संबंधित प्रश्न
What works are undertaken to make water available even after the rainy season?
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.
Water that is suitable for drinking is called soft water.
Explain the traditional ways of purifying water to make it fit for drinking.
Which of the following is a part of inorganic impurities of the sewage?
______ from the air and sunlight destroy the germs present in water.
Washing soda is used to remove permanent hardness of water.
Temporary and permanent hardness can be removed by the method of boiling.
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.
