Size of solute particles in a solution is in the order of

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ISRO SHAR Technician B Fitter 29 April 2018 Official Paper
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  1. 10-19 to 10-20 cm
  2. 10-7 to 10-8 cm
  3. 10-2 to 10-3 cm
  4. 10-4 to 10-5 cm

Answer (Detailed Solution Below)

Option 2 : 10-7 to 10-8 cm
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Detailed Solution

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Explanation:

  • Mixtures are constituted by more than one kind of pure form of matter.
  • A solution has a solvent and a solute as its components.
  • The component of the solution that dissolves the other component in it (usually the component present in larger amounts) is called the solvent.
  • The component of the solution that is dissolved in the solvent (usually present in lesser quantity) is called the solute.

Properties of a solution:-

  • In a solution there is homogeneity at the particle level.
  • The particles of a solution are smaller than 1 nm (10-9 metre) in diameter. So, they cannot be seen by naked eyes.
  • Because of very small particle size, they do not scatter a beam of light passing through the solution. So, the path of light is not visible in a solution.
  • The solute particles cannot be separated from the mixture by the process of filtration.
  • The solute particles do not settle down when left undisturbed, that is, a solution is stable.
  • Size of solute particles in a solution is in the order of 10-7 to 10-8 cm
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