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Q.

Is it true that chemicals are added to the liquid to make the impurities heavier in the loading process?


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a

True

b

False  

answer is A.

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Detailed Solution

The above statement is true.
Chemicals are added to the liquid to make the impurities heavier in loading. Loading is the process in which the impurities from a liquid are separated by adding a chemical that makes the impurities heavier and settle down at the bottom. Chemical is added to make the impurities heavier and speed up the process. It is a type of sedimentation process. For Example- a crystalline piece of Alum is added for loading sedimentation of finer particles of clay in water. As a result, the clay particles settle down at the bottom. In this manner, pure water is obtained at the top.
  
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