Home
Class 9
CHEMISTRY
Why particles in a true solution cannot ...

Why particles in a true solution cannot be seen with a naked eye ?

Text Solution

Verified by Experts

Particle size in a true solution is less than `10^(-9)` m or 1 nm. The particles are too small to scatter the beam of light and therefore, cannot be seen with naked eye.
Promotional Banner

Topper's Solved these Questions

  • IS MATTER AROUND US PURE

    DINESH PUBLICATION|Exercise Short Answer Questions|58 Videos

  • IS MATTER AROUND US PURE

    DINESH PUBLICATION|Exercise Long Answer Questions|34 Videos

  • IS MATTER AROUND US PURE

    DINESH PUBLICATION|Exercise N.C.E.R.T|20 Videos

  • ATOMS AND MOLECULES

    DINESH PUBLICATION|Exercise LONG ANSWER QUESTIONS|24 Videos

  • MATTER IN OUR SURROUNDINGS

    DINESH PUBLICATION|Exercise (LAQs) Long Answer Questions|5 Videos

Similar Questions

Explore conceptually related problems

Point out whether the following statements are true or false : (i) Particles in a colloidal solution can always be seen by naked eyes. (ii) Scattering of light occurs when a beam of liquid is passed through aqueous sugar solution. (iii) Colloidal solutions are of heterogeneous nature. (iv) Digestion of food is a chemical change.

Why do not the dispersed phase particles in a colloidal solution combine with one other ?

Are the particles of the solute present in true solution visible to the naked eye ?

Compare the particle sizes in a true solution, colloidal solution and suspension.

The smallest size of a cell which can be seen with unaided eye is or differentiation capacity of human eye is

Can the particles presents in a suspension be seen ?

DINESH PUBLICATION-IS MATTER AROUND US PURE-Very Short Answer Questions
  1. Classify the following as homogeneous and heterogeneous mixtures : ...

    Text Solution

    |

  2. Why does a salt disappear when dissolved in water ?

    Text Solution

    |

  3. Why particles in a true solution cannot be seen with a naked eye ?

    Text Solution

    |

  4. Differentiate between simple distillation and fractional distillation.

    Text Solution

    |

  5. state one instance where water undergoes a physical change and on...

    Text Solution

    |

  6. Identify colloids from the following : Copper sulphate solution, m...

    Text Solution

    |

  7. When a solution is said to be saturated ? How can you change a saturat...

    Text Solution

    |

  8. Identify the colloids from the following : Soda water, milk, sponge...

    Text Solution

    |

  9. List any two properties of metals which make them suitable to be used ...

    Text Solution

    |

  10. To make a saturated solution, 36 g of sodium chloride is dissolved in ...

    Text Solution

    |

  11. Classify the following as compound and mixture. Saline water, water, a...

    Text Solution

    |

  12. Is sugar a pure or impure substance ?

    Text Solution

    |

  13. What the size of solute particle in a true solution ?

    Text Solution

    |

  14. Is colloidal solution homogeneous in nature ?

    Text Solution

    |

  15. Give one example of suspension and colloidal solution.

    Text Solution

    |

  16. Describe a method for separating a mixture of iron filings and sulphur...

    Text Solution

    |

  17. The zig-zag motion of colloidal particles is called " ".

    Text Solution

    |

  18. Which of the following will show Tyndall effect ? (a) Sodium chlor...

    Text Solution

    |

  19. What happens when aeledtric field is applied to colloidal solution ?

    Text Solution

    |

  20. Explain what happens when a beam of light is passed through a co...

    Text Solution

    |