Home
Class 12
CHEMISTRY
Which of the following statement is inco...

Which of the following statement is incorrect about the extractive metallurgy of coper?

A

Matte chiefly consists of cuprous sulphide and some ferrous sulphide

B

Most of the impurity of iron sulphide is removed as fusible slag during roasting

C

The copper pyrites is concentrated by froth floatation process

D

The copper obtained from Bessemer converter is called as blister copper.

Text Solution

Verified by Experts

The correct Answer is:
B
Most of the impurity of iron sulphide is removed during smelting
`2CuFeS_2 + 4O_2 to Cu_2S+2FeO+3SO_2`
`FeO+SiO_2toFeSiO_3`(slag)
Promotional Banner

Topper's Solved these Questions

  • QUALITATIVE ANALYSIS PART 1

    RESONANCE|Exercise A.L.P|39 Videos

  • SOLID STATE

    RESONANCE|Exercise PHYSICAL CHEMITRY (SOLID STATE)|45 Videos

Similar Questions

Explore conceptually related problems

which of the following statement is incorrect about DDT?

Which of the following statements is incorrect about generative cell?

Which of the following statement is incorrect about viruses ?

Which of the following statement is incorrect about annelida?

Which of the following statements is incorrect about cycas?

Which of the following statements is incorrect about honeybees?

Which of the following statements is incorrect about human eye?

RESONANCE-RANK BOOSTER-All Questions
  1. Main source of lead is galena (PbS). It is converted to Pb by : S...

    Text Solution

    |

  2. Which of the following is not correctly matched with respect to the pr...

    Text Solution

    |

  3. Which of the following statement is incorrect about the extractive met...

    Text Solution

    |

  4. An ore of tin containing FeCrO(4) is concentrated by

    Text Solution

    |

  5. Which of the following statements is incorrect ?

    Text Solution

    |

  6. Give the correct order of initials T or F for following statements. Us...

    Text Solution

    |

  7. In which of the following pair(s) the minerals are converted in to met...

    Text Solution

    |

  8. Which of the following pairs is not correctly matched with respect to ...

    Text Solution

    |

  9. The major role of flourspar, CaF(2) which is added in small amount in ...

    Text Solution

    |

  10. The reaction (s) which does (do) not occur in the reduction zone in th...

    Text Solution

    |

  11. The smelting of iron in a blast furnace involves, which of the followi...

    Text Solution

    |

  12. Why lime stone is added in the extraction of lead from galena ?

    Text Solution

    |

  13. Name the common elements present in the anode mud in electrolytic refi...

    Text Solution

    |

  14. Main ore of lead is gaalena.This is mined and separated from other min...

    Text Solution

    |

  15. Minerals from which metals can be extracted economically and easily ar...

    Text Solution

    |

  16. Match the pair of ores given in column-I with type(s) of ores given in...

    Text Solution

    |

  17. Match items of Column I with the items of Column II and assign the co...

    Text Solution

    |

  18. Match the reactions given in column(I) with the appropriate method(s) ...

    Text Solution

    |

  19. Among the following metals how many metals are extracted by self-reduc...

    Text Solution

    |

  20. The number of different metals present in the ore copper pyrites is.

    Text Solution

    |