Home
Class 12
CHEMISTRY
Calcination and raosting are treatments ...

Calcination and raosting are treatments in metallurgy before metal extraction. Differentiate calcination and roasting.

Promotional Banner

Topper's Solved these Questions

  • ELECTROMOTIVE FORCE

    BODY BOOKS PUBLICATION|Exercise EXERCISE |25 Videos

  • HALOAKANES AND HALOARENES

    BODY BOOKS PUBLICATION|Exercise Example|113 Videos

Similar Questions

Explore conceptually related problems

Write the difference between calcination and roasting .

Calcination is used in metallurgy for removal of

How do calcination and roasting differ from each other? Give an example for each.

One of the steps in metallurgyis concentration of ores. Majority of the concentration technique are physical in nature. But there Is a chemical method of concentration of ores. Also explain the terms calcination and roasting.

Calcination is used to convert zinc carbonate into zinc oxide. But cuprous sulphate is converted into cuprous oxide by roasting: What is the difference between calcination and roasting?

One of the following metals forms a volatite compoụd and this property is taken advan. tage for its extraction. The metal is iron nickel cobalt tungsten

a) Which ores are for calcination and roasting? b) Give examples for reducing agents for reducing iron ores. c) Which is the strongest reducing agent.

Giving examples, differentiate between 'roasting' and 'calcination'.

Roasting and calcination are usually carried out in,

Assertion: If pure haematite is used as an ore for iron extraction, there is no need of roasting Reason: In the extraction of iron, final product in roasting is Fe_2O_3

BODY BOOKS PUBLICATION-General Principles and Processes of Isolation of Elements-Example
  1. There are servral methods for refining metals. Explain a method for re...

    Text Solution

    |

  2. Name two metals which can be refined by van-Arkel Method.

    Text Solution

    |

  3. Calcination and raosting are treatments in metallurgy before metal ext...

    Text Solution

    |

  4. The reduction of the metal oxide is easier if the metal formed is in l...

    Text Solution

    |

  5. All ores are minerals, but all minerals are not ores. Why?

    Text Solution

    |

  6. Carbonate ores are usually subjected to calcination, while sulphide or...

    Text Solution

    |

  7. Write down the reason for adding limestone along with the concentrated...

    Text Solution

    |

  8. Write down the reactions taking place at the higher temperature range ...

    Text Solution

    |

  9. Name the principal ore of aluminium.

    Text Solution

    |

  10. Write the equations for the reactions taking place at the anode and th...

    Text Solution

    |

  11. The concept of DeltaG^@ of coupled reaction are used explain reduction...

    Text Solution

    |

  12. In the blast furnace for manufacturing iron, most of the reduction is ...

    Text Solution

    |

  13. Carbonate ore of iron is.

    Text Solution

    |

  14. Which technique utlies the density difference between the ore and the ...

    Text Solution

    |

  15. Predict conditions under which Al might be expected to reduce MgO

    Text Solution

    |

  16. One of the stes in metallurgy is concentration of ores majority of the...

    Text Solution

    |

  17. One of the steps in metallurgy is concentration of ores majority of th...

    Text Solution

    |

  18. What Is the role of graphite rod In the electrometallurgy of aluminium...

    Text Solution

    |

  19. Describe purification of Ni by Mond process.

    Text Solution

    |

  20. Write the process of the purification of Zirconium.

    Text Solution

    |