Home
Class 12
CHEMISTRY
Zone refining is based on the principle ...

Zone refining is based on the principle that

A

impurities of low boiling metals can be separaed by distillation

B

impurities are more soluble in molten metal than in solid metal

C

different components of a mixture are differently adsorbed on an adosrbent.

D

vapour of volatile compound can be decomposed in pure metal

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

ELISA is based on the principle of

Which of the following is based upon the principle of antigen - antibody interaction?

The method of zone refining of metals is based on the principle of

The method of zone refining of metals is based on the principle of :

STATEMENT-1 : Zr is purified by zone refining and STATEMENT-2 : Zone refining is based on fractional crystallisation.

The working of rocket is based on the principle of ________________.

Which of the following techniques is based on the principles of antigen-antibody interaction?

An endoscope is employed by a physician to view the internal parts of body organ. It is based on the principle of

An endoscope is employed by a physician to view the internal parts of body organ. It is based on the principle of

Hydrogen bomb is based on the principle of

ALLEN-METALLURGY-EXERCISE -04
  1. Which of the following reaction is an example of autoreduction ?

    Text Solution

    |

  2. A number of elements are available in earth's crust but most abundant ...

    Text Solution

    |

  3. Zone refining is based on the principle that

    Text Solution

    |

  4. In the extraction of copper from its sulfide ore, the metal is formed ...

    Text Solution

    |

  5. Brine is electrolysed by using inert electrodes. The reaction at anode...

    Text Solution

    |

  6. In the metallurgy of aluminium

    Text Solution

    |

  7. Electrolytic refining is used to purify which of the following metals ...

    Text Solution

    |

  8. Extraction of gold and silver involves leaching the metal with CN^(-) ...

    Text Solution

    |

  9. Choose the correct option of temperature at which carbon reduces FeO t...

    Text Solution

    |

  10. Below point 'A' FeO can (a)be reduced by carbon monoxide only. (b)...

    Text Solution

    |

  11. For the reduction of FeO at the temperature corresponding to point D, ...

    Text Solution

    |

  12. Which of the following options are correct ?

    Text Solution

    |

  13. In the extraction of aluminium by Hall-heroult Process, purified Al(2)...

    Text Solution

    |

  14. Which of the following statements is correct about the role of collect...

    Text Solution

    |

  15. In the froth floatation process, zinc sulphide and lead sulphide can b...

    Text Solution

    |

  16. Common impurities present in bauxite are …….

    Text Solution

    |

  17. Which of the following ore are concentrated by froth floatation ?

    Text Solution

    |

  18. Which of the following reaction occur during calcination ?

    Text Solution

    |

  19. For the meallurgical process of which of the ores calcined ore can be ...

    Text Solution

    |

  20. The main reaction occuring in blast furnance during extraction of iron...

    Text Solution

    |