Home
Class 10
CHEMISTRY
Concentrated Cu2S is converted into oxid...

Concentrated `Cu_2S` is converted into oxide by roasting.
Write the process of roasting.

Text Solution

Verified by Experts

The correct Answer is:
Heating the ore in the presence of air below its melting point.
Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER FEB 2020

    MAXIMUM PUBLICATION|Exercise EXAMPLE|31 Videos

  • QUESTION PAPER MARCH 2020

    MAXIMUM PUBLICATION|Exercise EXAMPLE|10 Videos

Similar Questions

Explore conceptually related problems

Concentrated Cu_2S is converted into oxide by roasting. How impurities like sulphur and phosphorus are removed in this process?

Calcination is used to convert zinc carbonate into zinc oxide. But cuprous sulphate is converted into cuprous oxide by roasting: What is the difference between calcination and roasting?

Calcination isused to convert zinc carbon- ateinto zinc oxide. But cuproussulphate is converted into cuprousoxide by roasting: What happens to the ore when it is subjected to calcination?

The process by which monomers are converted to polymer Is called polymerization. Write the names of monomers of the following polymers. (CO-(CH_2)_5-NH)_n .

The process by which monomers are converted to polymer Is called polymerization. Write the names of monomers of the following polymers. (NH-(CH_2)_6-NH-CO-(CH_2)_4-CO)_n .

Which of the following statements are wrong? i) Calcination is mainly used for carbonate ore to get its oxide ii) Hydrated ore and hydroxides become anhydrous by calcination iii) Impurities like S, As and Sb are removed in the form of elemental vapours by calcination iv) Roasting is an endothermic process v) Roasting is mainly applicable for sulphide ore to get its oxide vi) Some times as a result of roasting, higher oxidation state oxide gets converted into lower oxidation state oxide.

Before introducing FeO in blast furnace, it is converted to Fe_2O_3 by roasting so that

Assertion: If pure haematite is used as an ore for iron extraction, there is no need of roasting Reason: In the extraction of iron, final product in roasting is Fe_2O_3

MAXIMUM PUBLICATION-QUESTION PAPER MARCH 2019-EXAMPLE
  1. 4g of NaOH is dissolved in water and the volume is made upto 1 L. (1...

    Text Solution

    |

  2. 4g of NaOH is dissolved in water and the volume is made upto 1 L. (1...

    Text Solution

    |

  3. Concentrated Cu2S is converted into oxide by roasting. Write the pro...

    Text Solution

    |

  4. Concentrated Cu2S is converted into oxide by roasting. How impuritie...

    Text Solution

    |

  5. Ethanoic acid is an organic compound having industrial values. How e...

    Text Solution

    |

  6. Ethanoic acid is an organic compound having industrial values. Give ...

    Text Solution

    |

  7. The CHEical equation for the manufacture of ammonia is N2(g)+3H2(g) to...

    Text Solution

    |

  8. The CHEical equation for the manufacture of ammonia is N2(g)+3H2(g) to...

    Text Solution

    |

  9. The CHEical equation for the manufacture of ammonia is N2(g)+3H2(g) to...

    Text Solution

    |

  10. Alumina is mixed with cryolite and subjected to electrolysis to extrac...

    Text Solution

    |

  11. Alumina is mixed with cryolite and subjected to electrolysis to extrac...

    Text Solution

    |

  12. Alumina is mixed with cryolite and subjected to electrolysis to extrac...

    Text Solution

    |

  13. Zinc piece and zinc powder are taken in two test tubes and equal amoun...

    Text Solution

    |

  14. Zinc piece and zinc powder are taken in two test tubes and equal amoun...

    Text Solution

    |

  15. Zinc piece and zinc powder are taken in two test tubes and equal amoun...

    Text Solution

    |

  16. The structure of two organic compounds are given below: i) CH3-CH2-C...

    Text Solution

    |

  17. The structure of two organic compounds are given below: i) CH3-CH2-C...

    Text Solution

    |

  18. The structure of two organic compounds are given below: i) CH3-CH2-C...

    Text Solution

    |

  19. The structure of two organic compounds are given below: i) CH3-CH2-C...

    Text Solution

    |

  20. The atomic number of an element is 19. Write the subshell electronic...

    Text Solution

    |