Home
Class 12
CHEMISTRY
Magnetic separation is used in the conce...

Magnetic separation is used in the concentration of: Copper pyrites, Chromite, Bauxite, Cinnabar.

A

reduction by carbon

B

electrolysis of ore

C

roasting of ore in `O_2`

D

magnetic separation

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    MODERN PUBLICATION|Exercise EXERCISE|303 Videos

  • ELECTROCHEMISTRY

    MODERN PUBLICATION|Exercise EXERCISE|529 Videos

  • HALOALKANES AND HALOARENES

    MODERN PUBLICATION|Exercise EXERCISE|978 Videos

Similar Questions

Explore conceptually related problems

What is magnetic separation method for concentration of ore?

What is gravity separation method for concentration of ore ?

Evaporation is used to separate-

Magnetic separation method is basically used for-

Froth floatation process is used for the concentration of ……………..ores.

Which process is used in homes for separating Paneer?

Calculate the mass percentage composition of copper pyrite.

Explain magnetic separation with the help of diagram.

Write short note on magnetic separation.Name one ore which can be concentrated by magnetic separation.

Explain calcination, magnetic separation in extraction of metals.

MODERN PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE
  1. From the Ellingham graphs on carbon, which of the following statements...

    Text Solution

    |

  2. The function of potassium ethyl xanthate in froth floatation process i...

    Text Solution

    |

  3. Magnetic separation is used in the concentration of: Copper pyrites, C...

    Text Solution

    |

  4. When limestone is heated, CO2 is given off. The metallurgical operatio...

    Text Solution

    |

  5. The statement that is not correct is

    Text Solution

    |

  6. Match the metal in Column I with the ores in Column II

    Text Solution

    |

  7. Match the extraction process in Column I with the metal in Column II.

    Text Solution

    |

  8. Match the species given in Column I that are present in the ore(s) giv...

    Text Solution

    |

  9. In the extraction of chlorine from brine .

    Text Solution

    |

  10. When copper ore is mixed with silica, in a reverberatory furnace coppe...

    Text Solution

    |

  11. Which of the following reactions is an example of auto reduction ?

    Text Solution

    |

  12. A number of elements are available in earth’s crust but most abundant ...

    Text Solution

    |

  13. Zone refining is based on the principle that .

    Text Solution

    |

  14. In the extraction of copper from its sulphide ore, the metal is formed...

    Text Solution

    |

  15. During the electrolysis of NaCl solution, the gas liberated at the ano...

    Text Solution

    |

  16. An ore of aluminium is

    Text Solution

    |

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

    Text Solution

    |

  18. Extraction of gold and silver involves leaching the metal with CN^- io...

    Text Solution

    |

  19. Answer the question on the basis of figure given below : Choose th...

    Text Solution

    |

  20. Answer the question on the basis of figure given below : Below poi...

    Text Solution

    |