Home
Class 12
CHEMISTRY
(a) Name the method of refining which is...

(a) Name the method of refining which is
(i) used to obtain semiconductor of high purity.
(ii) used to obtain low boiling metal.
(b) Write chemical reactions taking place in the extraction of copper from `Cu_(2)S`.

Promotional Banner

Topper's Solved these Questions

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    MODERN PUBLICATION|Exercise HOTS (Higher Order Thinking skills) (Advanced Level)|10 Videos

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    MODERN PUBLICATION|Exercise COMPETION FILE (Objective Questions) (Multiple Choice Question with only one correct answer)|25 Videos

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    MODERN PUBLICATION|Exercise Revision Exercises(CBSE Qs.)|8 Videos

  • ELECTROCHEMISTRY

    MODERN PUBLICATION|Exercise UNIT PRACTICE TEST|20 Videos

  • HALOALKANES AND HALOARENES

    MODERN PUBLICATION|Exercise UNIT PRACTICE TEST|11 Videos

Similar Questions

Explore conceptually related problems

Name the method of metal refining which is generally used when a metal of high degree of purity is needed.

Zone refining is used to obtain metals in high degree of purity. During electrorefining pure metal is liberated at the cathode.

Write the name of the cell which is generally used in hearing aids. Write the reactions taking place at the anode and the cathode of this cell.

MODERN PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-Revision Exercises(Short answer questions)
  1. (a) Name the role of Na(3)AlF(6) in the electrolytic reduction of alum...

    Text Solution

    |

  2. (i) Name the method of refining of metals such as Germanium. (ii) In...

    Text Solution

    |

  3. All ores are minerals while all minerals are not ores because :

    Text Solution

    |

  4. (a) What are the two requirements for vapour phase refining? Write the...

    Text Solution

    |

  5. Name the principal ore of aluminium. Explain the significance of leach...

    Text Solution

    |

  6. (a) Write the principle of method used for the refining of germanium ...

    Text Solution

    |

  7. Describe the role of (i) NaCN in the extraction of gold from its ore...

    Text Solution

    |

  8. Outline the principles of refining of metals by the following methods....

    Text Solution

    |

  9. (i) Name a metal refined by Van Arkel method. (ii) Explain the proce...

    Text Solution

    |

  10. (i) Explain zone refining method for refining of metals. (ii) Explai...

    Text Solution

    |

  11. (i) Write composition of copper matte. (ii) Write balanced equations...

    Text Solution

    |

  12. (a) Name the method of refining which is (i) used to obtain semicond...

    Text Solution

    |

  13. Describe the role of the following : (i) NaCl in the extraction of ...

    Text Solution

    |

  14. Match the following processes of metallurgy with their corresponding o...

    Text Solution

    |

  15. Describe the principle controlling each of the following processes: ...

    Text Solution

    |

  16. (i) Name a method used for the refining of zirconium. (ii) What is t...

    Text Solution

    |

  17. Write the principle of the following (a) Zone refining (b) Froth f...

    Text Solution

    |

  18. (a) Write the principle involved in the vapour phase refining of metal...

    Text Solution

    |

  19. Write down the reactions taking place in Bast furnace related to the m...

    Text Solution

    |

  20. Write down the reactions taking place in different zones in the blast ...

    Text Solution

    |