Home
Class 12
CHEMISTRY
Roasting is done in...

Roasting is done in

A

Blast furnace

B

Open hearth furnace

C

Electric furnace

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
Roasting is the process of heating the ore strongly in the presence of excess of air. It is generally carried in a reverberatory or blast furnace.
Promotional Banner

Topper's Solved these Questions

  • GENERAL PRINCIPLES & PROCESSES OF ISOLATION OF ELEMENTS

    ERRORLESS|Exercise NCERT BASED QUESTIONS (Reduction of Free Metal)|43 Videos

  • GENERAL PRINCIPLES & PROCESSES OF ISOLATION OF ELEMENTS

    ERRORLESS|Exercise NCERT BASED QUESTIONS (Refining of Crude Metal)|27 Videos

  • GENERAL PRINCIPLES & PROCESSES OF ISOLATION OF ELEMENTS

    ERRORLESS|Exercise NCERT BASED QUESTIONS (CONCENTRATION)|21 Videos

  • ELECTROCHEMISTRY

    ERRORLESS|Exercise Assertion & Reason|11 Videos

  • HELOALKANES AND HALOARENES

    ERRORLESS|Exercise Assertion & Reason|8 Videos

Similar Questions

Explore conceptually related problems

Roasting is doen in

Roasting is done generally in case of

Pick out the wrong statement. Roasting is done to

Roasting of ores is done in

(A) Roasting is a process in which the ore is heate in presence of air (R ) Concentration of sulphide ore is done by calcinaiton

Roasting process is used for:

ERRORLESS-GENERAL PRINCIPLES & PROCESSES OF ISOLATION OF ELEMENTS-NCERT BASED QUESTIONS (ROASTING & CALCINATION)
  1. Roasting is done generally in case of

    Text Solution

    |

  2. Heating of pyrites in air for oxidation of sulphur is called Heating...

    Text Solution

    |

  3. The reaction 2ZnS +3O(2) rarr2ZnO +2SO(2) in the metallurgical process...

    Text Solution

    |

  4. Roasting is done in

    Text Solution

    |

  5. Roasting of copper pyrites is done:

    Text Solution

    |

  6. A metal obtained directly by roasting of its sulphide ore is

    Text Solution

    |

  7. Calcination is used in matallurgy for removal of

    Text Solution

    |

  8. Which of the following processes involves smelting ?

    Text Solution

    |

  9. A Substance which reacts with gangue to form fusible material is calle...

    Text Solution

    |

  10. Refractory metals are used in construction of furnances because

    Text Solution

    |

  11. The underlying of blast furnace is made of

    Text Solution

    |

  12. Which of the following substance can be used for drying neutral or bas...

    Text Solution

    |

  13. In the modern blast furnaces, the charge consists of a mixture of

    Text Solution

    |

  14. In a lime kiln, to get higher yield of CO(2) the measure that can be t...

    Text Solution

    |

  15. During the extraction of gold the following reactions takes place Au...

    Text Solution

    |

  16. The reduction of zinc oxide with coke occurs at temperature

    Text Solution

    |

  17. Choose the correct option of temperature at which carbon reduced FeO t...

    Text Solution

    |

  18. Find the area of figure given below.

    Text Solution

    |

  19. For the reduction of FeO at the temperature corresponding to point D, ...

    Text Solution

    |

  20. Direction (Q. Nos. 17-20) Answer the questions on the basis of figure ...

    Text Solution

    |