Home
Class 12
CHEMISTRY
An oxide ore A has a magnetic oxide B a...

An oxide ore `A` has a magnetic oxide `B` and `SiO_2` as the chief impurities. How will you concentrate the ore?

Text Solution

Verified by Experts

When either the ore or impurity is magnetic fhe method of magnetic separation is used to coneentrate the ore.
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    V PUBLICATION|Exercise QUESTION BANK|154 Videos

  • HALOALKANES AND HALOARENES

    V PUBLICATION|Exercise QUESTION BANK|144 Videos

Similar Questions

Explore conceptually related problems

The ore of a metal is lighter than the impurities. Which method is suitable for its concentration?

Potassium dichromate is an orange colour crystal and is an important compound used as an oxidant in many reactions How will you account for the colour of potassium dichromate crystals?

Carbon and Silicon are present in the same group. Their dioxides CO_2 and SiO_2 , show some similarities. For example both are acidic oxides. a. But, CO_2 is a gas while SiO_2 is a solid. Account. b. The basic building blocks of silicates are (SiO4)^4-tetrahedra. Differentiate Orthosilicates and Pyrosilicates. c. Silica gel is used as-a drying agent. Justify.

Every substance has some magnetic properties associated with it. How will you account for the following magnetic properties? Paramagnetic property

Every substance has some magnetic properties associated with it. How will you account for the following magnetic properties? Paramagnetic property

Every substance has some magnetic properties associated with it. How will you account for the following magnetic properties? Ferromagnetic property

Every substance has some magnetic properties associated with it. How will you account for the following magnetic properties? Ferromagnetic property

Which technique utlies the density difference between the ore and the impurity to concentrate the ore is

Carbon and silicon are present in the same group. Their dioxides CO_2 and SiO_3 show some similarities. For example both are acidic oxides. But CO_2 is a gas, SIO_2 is a solid. Account.

Carbon and silicon are present in the same group. Their dioxides CO_2 and SiO_3 show some similarities. For example both are acidic oxides. The basic building blocks of silicates are SiO_4^(4-) tetrahedral. Differentiate ortho-silicates and pyrosilicates.

V PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-QUESTION BANK
  1. All ores are minerals, but all minerals are not ores.Is this statement...

    Text Solution

    |

  2. Explain the term gangue,flux and slag.

    Text Solution

    |

  3. An oxide ore A has a magnetic oxide B and SiO2 as the chief impur...

    Text Solution

    |

  4. Suggest methods for concentration of the following ores?1.ZnS 2.Fe2 O...

    Text Solution

    |

  5. Given below are the names of a few ores. Classify them as oxide ores, ...

    Text Solution

    |

  6. Some metallic compounds /ores are given below [ZnS, .Al2 O3 .2 H2 O,...

    Text Solution

    |

  7. A.Describe the purification of Ti by Van Arkel method. B.Explain the p...

    Text Solution

    |

  8. A house wife gave some of her gold ornaments to a person for polishing...

    Text Solution

    |

  9. While adding the raw materials into the Blast furnace for the extracti...

    Text Solution

    |

  10. Given below is a symbolic parktng zone. Select stitable term from thos...

    Text Solution

    |

  11. In a classroom discussion Ramu said that ocean is a store house of ele...

    Text Solution

    |

  12. In a classroom discussion Raju said that silver ores and native gold h...

    Text Solution

    |

  13. Froth floatation process is convenient for the concentration of sulphi...

    Text Solution

    |

  14. A.Name the metallurgical refining technique used for purification of N...

    Text Solution

    |

  15. a. 'The ore mixed with coke and limestone is introduced into the blast...

    Text Solution

    |

  16. How does NaCN act as a depressant in preventing ZnS from forming the ...

    Text Solution

    |

  17. Cinnabar (HgS) and galena (PbS) on roasting. often given their respect...

    Text Solution

    |

  18. Although thermodynamically feasible,in practice, magnesium metal is no...

    Text Solution

    |

  19. In general which metals do you expect.to occur in the native state in ...

    Text Solution

    |

  20. Why is it advantageous to roast a sulphide ore before reduction?

    Text Solution

    |