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प्रश्न
Find out the wrong statement and write it in its correct form.
Water that is suitable for drinking is called soft water.
पर्याय
True
False
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उत्तर
This statement is False.
Correct Statement:
Water that is suitable for drinking is called soft water.
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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.
Chlorination is a commonly used chemical method for killing germs in 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?
The process of adding chlorine in adequate amounts to water is called ______.
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:
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| 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.
