Home
Class 12
CHEMISTRY
Calcination is the process of heating th...

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

Text Solution

Verified by Experts

The correct Answer is:
absence or limited supply
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

Calcination is the process in which

Smelting is the process of heating the ore with magnesium.

The process of heating of ore in the absence of air.

The process of heating the ore strongly in excess of air so that the volatile impurities are removed and the ore is changed to oxide is known as

Calcination and roasting process of reduction of ores to their oxides are beneficial :

PRADEEP-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -TEST YOUR GRIP (II. FILL IN THE BLANKS)
  1. Highly reactive elements occurs in nature instate.

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  8. Flux combines the infusible impurities to form.

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  17. Low melting metals like lead in tin are refined by .............. .

    Text Solution

    |

  18. In the Mond's process,…… is used to purify impure nickel.

    Text Solution

    |

  19. In the van Arkel process .........is used to purify ...............

    Text Solution

    |

  20. ...............is used to prepare semiconductor grade silicon or ge...

    Text Solution

    |