Home
Class 12
CHEMISTRY
Why are sulphide ores converted to oxide...

Why are sulphide ores converted to oxide before reduction ?

Promotional Banner

Topper's Solved these Questions

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    MODERN PUBLICATION|Exercise EXERCISE|303 Videos

  • ELECTROCHEMISTRY

    MODERN PUBLICATION|Exercise EXERCISE|529 Videos

  • HALOALKANES AND HALOARENES

    MODERN PUBLICATION|Exercise EXERCISE|978 Videos

Similar Questions

Explore conceptually related problems

T/F A sulphide ore is converted into its oxide to extract the metal.

Give reasons: Carbonate and suphide ores are usually converted into oxides during the process of extraction

In the extraction of copper from its sulphide ore, the metal is formed by the reduction of Cu_2O with :

T/F Carbonate and sulphide ores are usually converted into oxides.

Sulphide ores are concentrated by froth floatation process.

Why is zinc not extracted from zinc oxide through reduction using CO?

Why is sulphide ore of copper heated in a furnace after mixing with silica ?

Give electronic concept of oxidation and reduction.

MODERN PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE
  1. State the role of silica in the metallurgy of copper.

    Text Solution

    |

  2. Write the name of purest form of iron.

    Text Solution

    |

  3. Why are sulphide ores converted to oxide before reduction ?

    Text Solution

    |

  4. What is malachite? Write down its formula.

    Text Solution

    |

  5. Fill in the blanks- metal alloy is used in marine engineering.

    Text Solution

    |

  6. How is zinc obtained from zinc blende? Give Chemical reactions.

    Text Solution

    |

  7. Fill in the blanks- is the ore from which aluminium metal is extracte...

    Text Solution

    |

  8. How is Ni purified by Mond’s process?

    Text Solution

    |

  9. Outline the principle of refining of metals by electrolytic refining.

    Text Solution

    |

  10. How does the FeO impurity present in sulphide ore of copper is removed...

    Text Solution

    |

  11. Which of the following is the ore of zinc?

    Text Solution

    |

  12. Name the method used for refining of Zirconium.

    Text Solution

    |

  13. Name the method of refining of metals such as germanium.

    Text Solution

    |

  14. In the extraction of Al, impure Al2O3 is dissolved in conc. NaOH to fo...

    Text Solution

    |

  15. What is the role of coke in the extraction of iron from its oxides?

    Text Solution

    |

  16. What chemical process is used for obtaining a metal from its oxide?

    Text Solution

    |

  17. Outline the principle of refining of metals by electrolytic refining.

    Text Solution

    |

  18. Outline the principles involved in the following methods of refining o...

    Text Solution

    |

  19. Explain the role of the following : SiO2 in the extraction of copper.

    Text Solution

    |

  20. Describe the role of the following: Iodine in the refining of titanium...

    Text Solution

    |