Solutions


 
 
Concept Explanation
 

Solutions

Dissolving is the change where substances mix completely with the liquid they have been added to. Not all substances dissolve in water. Only some substance such as salt sugar dissolves in water. They are known as soluble substances. The substances that do not dissolve in water are known as insoluble substances. In a solution of salt and water, salt is called solute and water is called solvent. A solute and solvent together form a solution.

Water can dissolve a large number of substances so it is called a universal solvent. The plants can absorb nutrients from the soil only when they are soluble in water. Minerals from roots and food from leaves can only be transported to different parts as they are in a solution form. The aquatic animals can survive in water as gases like oxygen and carbon dioxide are soluble in water.

Properties of a Solution :-

  •  A solution is clear and transparent. For example, a solution of salt in water is clear and transparent. 
  • The solute in a solution does not settle down even after the solution is kept undisturbed for some time.
  • A solution is homogeneous, i.e., the composition of a solution is the same throughout. 
  • The components of a solution cannot be separated by filtration.
  • Sample Questions
    (More Questions for each concept available in Login)
    Question : 1

    In a solution the liquid in which a substance is dissolved is called _______________________.

    Right Option : B
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    Explanation
    Question : 2

    What are the properties of a solution ?

    Right Option : D
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    Explanation
    Question : 3

    Which of the following is not an example of solvent for  non aqueous solution ?

    Right Option : D
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    Explanation
     
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