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प्रश्न
Which of the following procedures will give you water free from all impurities?
पर्याय
Adding chlorine tablets
Distillation
Boiling
Filtration
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उत्तर
Boiling
Explanation:
When water is heated, it boils at a temperature of 100°C. At this high temperature, all the harmful microorganisms (or germs) present in water are killed and it becomes absolutely safe for drinking.
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संबंधित प्रश्न
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.
Which of the following is a part of inorganic impurities of the sewage?
Why are open drains a concern?
The process of adding chlorine in adequate amounts to water is called ______.
______ from the air and sunlight destroy the germs present in water.
Washing soda is used to remove permanent hardness of water.
Name the chemical which converts chlorides and sulphates into insoluble carbonates.
