Home
Class 12
CHEMISTRY
i) Mention the role of alum in the purif...

i) Mention the role of alum in the purification of drinking water.
ii) Give an example for oil dispersed in water emulsion. 

Text Solution

Verified by Experts

b) i) It coagulates the suspended impurities.
ii) Milk is an example for oil dispersed in water emulsion.
Promotional Banner

Topper's Solved these Questions

  • II PUC CHEMISTRY (ANNUAL EXAM QUESTION PAPER MARCH - 2014)

    SUNSTAR PUBLICATION|Exercise PART - C|8 Videos

  • II PUC CHEMISTRY ( ANNUAL EXAM QUESTION PAPER MARCH - 2020)

    SUNSTAR PUBLICATION|Exercise PART-D|32 Videos

  • II PUC CHEMISTRY (ANNUAL EXAM QUESTION PAPER MARCH - 2015)

    SUNSTAR PUBLICATION|Exercise PART - D|26 Videos

Similar Questions

Explore conceptually related problems

(a) Give any three differences between Physisorption and chemisorption (b) (i) Mention the role of alum in the purification of drinking water. (ii) Give an example of an oil dispersed in water emulsion.

Give an example of an oil dispersed in water emulsion.

Give an example for drying oil.

What are emulsions? Give an example of oil dispersed in water (o/w) type emulsion.

What are emulsions? Give an example of oil disperesed in water (o/w) type emulsion.

Give an example for water soluble vitamin.

Give reason '' Potash alum is used in the clarification of water

Mention the value of steam point of water in Fahrenheit scale.

SUNSTAR PUBLICATION-II PUC CHEMISTRY (ANNUAL EXAM QUESTION PAPER MARCH - 2014)-PART - D
  1. On dissolving 2.34g of non-electrolyte solute in 40g of benzene, the b...

    Text Solution

    |

  2. State Henry's law. Write its mathematical form.

    Text Solution

    |

  3. Draw a neat labeled diagram of Standard Hydrogen Electrode (SHE). Writ...

    Text Solution

    |

  4. b) Calculate Delta(r)G^(@) for the following reaction: Fe((aq))^(+2)...

    Text Solution

    |

  5. a) The rate of a particular reaction doubles when the temperature chan...

    Text Solution

    |

  6. b) Show that the half - life period of a first order reaction is indep...

    Text Solution

    |

  7. Write any two differences between physisorption and chemisorption.

    Text Solution

    |

  8. i) Mention the role of alum in the purification of drinking water. i...

    Text Solution

    |

  9. a) i) write the equations for the steps in SN1 mechanism of the conver...

    Text Solution

    |

  10. b) Complete the following equation: i) C(2)H(5)OH+SOCl(2)rarr ii)

    Text Solution

    |

  11. i) Explain the preparation of phenol from cumene. ii) Complete the r...

    Text Solution

    |

  12. Explain Williamson's ether synthesis.

    Text Solution

    |

  13. i) How do you convert benzoic acid to benzamide? Write the reaction. ...

    Text Solution

    |

  14. What happens when the carbonly compounds are treated with hydrazine? W...

    Text Solution

    |

  15. i) Explain Hoffmann bromamide degradation for the preparation of anili...

    Text Solution

    |

  16. b) What is Hinsberg's reagent? Between CH(3)NH(2) and C(6)H(5)NH(2) wh...

    Text Solution

    |

  17. i) Name the water insoluble component of starch. ii) Mention one wat...

    Text Solution

    |

  18. Write the structure of Maltose.

    Text Solution

    |

  19. i) Explain the preparation of Buna-N. ii) Give an example for thermo...

    Text Solution

    |

  20. Name the monomers used in the preparation of polythene and natural rub...

    Text Solution

    |