Home
Class 12
CHEMISTRY
Heating of ore in presence of air to rem...

Heating of ore in presence of air to remove sulphure impurities is called

A

Calcination

B

Roasting

C

Smelting

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
`S` is oxidised to `SO_(2(g))`.
Promotional Banner

Topper's Solved these Questions

  • GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

    CENGAGE CHEMISTRY|Exercise Exercise (Assertion-Reasoning)|18 Videos

  • GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

    CENGAGE CHEMISTRY|Exercise Exercise (Integer)|27 Videos

  • GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

    CENGAGE CHEMISTRY|Exercise Exercise (Multiple Correct)|43 Videos

  • ELECTROCHEMISTRY

    CENGAGE CHEMISTRY|Exercise Archieves Subjective|35 Videos

  • GRIGNARD REAGENTS AND ORGANOMETALLIC REAGENTS

    CENGAGE CHEMISTRY|Exercise Exercises Archives (Linked Comprehension)|1 Videos

Similar Questions

Explore conceptually related problems

Heating pyrites to remove sulphur is called

Heating pyrities in air to remove sulphur is called

Process of heating ore is air to remove sulphur is:

CENGAGE CHEMISTRY-GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS-Exercise (Single Correcttype)
  1. On heating a mixture of Cu(2)O and Cu(2)S, we get :

    Text Solution

    |

  2. Sulphide ore of metal are usually concentrated by froth flotation proc...

    Text Solution

    |

  3. Heating of ore in presence of air to remove sulphure impurities is cal...

    Text Solution

    |

  4. The method of zone relining of metal is based on the principle of AIFM...

    Text Solution

    |

  5. Which of the following function is of no significance for roasting su...

    Text Solution

    |

  6. Complex formation for cyanide method is used for the extraction of

    Text Solution

    |

  7. The least stable oxide at room temperature is

    Text Solution

    |

  8. High purity copper metal is obtained by

    Text Solution

    |

  9. Corumdum is

    Text Solution

    |

  10. Whch ore can be best concentrated by froth flotation process ?

    Text Solution

    |

  11. The metal extracted by leaching with cyanide is

    Text Solution

    |

  12. When MnO2 is fused woth KOH, a coloured compound is formed, the produc...

    Text Solution

    |

  13. Pb and Sn are extracted from their chief ore by :

    Text Solution

    |

  14. The substance not likely to contain CaCO(3) is:

    Text Solution

    |

  15. Extraction of Ag from commercial lead is possible by

    Text Solution

    |

  16. The chemical composition of slag formed during the smelting process in...

    Text Solution

    |

  17. The metal that cannot obtained by electrolysis of an aqueous solution ...

    Text Solution

    |

  18. Ferric oxide blast furnace is reduced by

    Text Solution

    |

  19. Electric furnaces are lined with magnesia because

    Text Solution

    |

  20. Furances are lined with calcium oxide as

    Text Solution

    |