Home
Class 12
CHEMISTRY
How oil in water or water in oil type of...

How oil in water or water in oil type of emulsions can be identified by dye test ?

Text Solution

Verified by Experts

In dye test for emulsions, some oil soluble dye is added to the emulsion. If the background becomes coloured, the emulsion is water in oil type. If on the other hand coloured droplets are seen, the emulsion is oil in water type.
Promotional Banner

Topper's Solved these Questions

  • STRUCTURE OF ATOM

    BETTER CHOICE PUBLICATION|Exercise NUMERICAL PROBLEMS |6 Videos

  • THE P-BLOCK ELEMENTS

    BETTER CHOICE PUBLICATION|Exercise QUESTION BANK|205 Videos

Similar Questions

Explore conceptually related problems

How can we conserve water ?

Milk is an oil in water type emulsion.

How can we control water pollution ?

How can small current be tested ?

What type of lens is an air bubble inside water?

What is the difference between oil/water (o/w) type and water/oil (w/o) type emulsions ? Given an example of each type.

How you can tell that water is neutral?

BETTER CHOICE PUBLICATION-SURFACE CHEMISTRY -Question Bank
  1. What do you mean by gold number ?

    Text Solution

    |

  2. What happens when colloidal solutions of Fe(OH)3 and 'AS2O3' are mixe...

    Text Solution

    |

  3. What are emulsions ? What are their different types ? Give one example...

    Text Solution

    |

  4. What name is given to the liquid-liquid colloidal solution ?

    Text Solution

    |

  5. Write two differences between solution and emulsion.

    Text Solution

    |

  6. Milk is an oil in water type emulsion.

    Text Solution

    |

  7. How oil in water or water in oil type of emulsions can be identified b...

    Text Solution

    |

  8. How oil in water or water in oil type of emulsions can be identified b...

    Text Solution

    |

  9. What is emulsification ? Explain the role of emulsifier to stabilise t...

    Text Solution

    |

  10. Define: Emulsification

    Text Solution

    |

  11. What is emulsification ? Explain the role of emulsifier to stabilise t...

    Text Solution

    |

  12. Mention two uses of emulsions.

    Text Solution

    |

  13. Emulsions are normally prepared by shaking the two components together...

    Text Solution

    |

  14. Define: Emulsification

    Text Solution

    |

  15. Give suitable explanations for the following: Sky is blue in colour...

    Text Solution

    |

  16. Give suitable explanations for A delta is formed where a river falls...

    Text Solution

    |

  17. Give five important applications of colloids in home and industry.

    Text Solution

    |

  18. Give reason : Bleeding from a fresh cut can be stopped by applying alu...

    Text Solution

    |

  19. Why does the sun looks red at the time of setting ? Explain on the bas...

    Text Solution

    |

  20. Why are medicines more effective in colloidal state ?

    Text Solution

    |