Home
Class 12
CHEMISTRY
The earthly and siliceous impurities whi...

The earthly and siliceous impurities which generallty occur with ores are called _____or _____

Text Solution

Verified by Experts

The correct Answer is:
gangue, matrix
Promotional Banner

Topper's Solved these Questions

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    PRADEEP|Exercise CONCEPTUAL QUESTIONS|14 Videos

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    PRADEEP|Exercise NCERT QUESTIONS AND EXERCISES WITH ANSWERS (NCERT INTEXT SOLVED QUESTIONS)|5 Videos

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    PRADEEP|Exercise TEST YOUR GRIP (I.MULTIPLE CHOICE QUESTIONS)|18 Videos

  • ELECTROCHEMISTRY

    PRADEEP|Exercise IMPORTANT QUESTIONS FOR BOARD EXAMINATION|25 Videos

  • HALOALKANES AND HALOARENES

    PRADEEP|Exercise IMPORTANT QUESTIONS FOR BOARD EXAMINATION|22 Videos

Similar Questions

Explore conceptually related problems

The rocky and siliceous matter associated with an ore is called:

Fill in the blanks with the correct choice. The undesired impurities present in the ores are called overset((i))("______") . To remove the volatile impurities from the ore, the overset((ii))("______") process is carried ot Flux combines with non-fusible impurities to form overset((iii))("______") . CaO acts as a overset((iv))("______") flux.

The removal of impurities from an ore

The earthy impurities present in the mineral are called

The naturally occurring chemical substances in form of which occur in the earth along with impurities are called ____.

The metal which mainly occurs as oxide ore in nature is :

PRADEEP-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -TEST YOUR GRIP (II. FILL IN THE BLANKS)
  1. The naturally occurring chemical substances in form of which occur in ...

    Text Solution

    |

  2. Minerals from which metals are extracted conveniently and economically...

    Text Solution

    |

  3. The earthly and siliceous impurities which generallty occur with ores...

    Text Solution

    |

  4. The complete of extracting the metal form its ores is called .

    Text Solution

    |

  5. Highly reactive elements occurs in nature instate.

    Text Solution

    |

  6. The most abundant metal in the earth's crust is ………… .

    Text Solution

    |

  7. Calcination is the process of heating the ore strongly in the of air.

    Text Solution

    |

  8. An ore of tin containing FeCrO4 is concentrated by …………. .

    Text Solution

    |

  9. ores are concentrated by froth flotation and roasted in excess of air ...

    Text Solution

    |

  10. involves treating the powdered ore with a suitable reagent which selec...

    Text Solution

    |

  11. Sodium cyanide solution is used to extract or from its ores.

    Text Solution

    |

  12. Flux combines the infusible impurities to form.

    Text Solution

    |

  13. acts as an acidic flux whileacts as a basic flux.

    Text Solution

    |

  14. In the metallurgy of copper, the flux used to remove the basic impurit...

    Text Solution

    |

  15. During extraction of iron from haematite, the flux used is .

    Text Solution

    |

  16. ………… involves reduction of metal oxide with coke or carbon monox...

    Text Solution

    |

  17. In the thermite process, is used as a reducting agent.

    Text Solution

    |

  18. …………..is the purest form of iron.

    Text Solution

    |

  19. Above 1073 K, ………… reduces FeO to Fe while below 1073K, …………… r...

    Text Solution

    |

  20. Highly electropositive metals like sodium, megnesium or aluminium ...

    Text Solution

    |