Home
Class 12
CHEMISTRY
Copper sulphide ore is heated in a furna...

Copper sulphide ore is heated in a furnace with silica-why?

Promotional Banner

Topper's Solved these Questions

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    CHHAYA PUBLICATION|Exercise SOLVED NCERT EXEMPLAR PROBLEMS (Matching Type)|9 Videos

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    CHHAYA PUBLICATION|Exercise SOLVED NCERT EXEMPLAR PROBLEMS (Assertion-Reason Type)|1 Videos

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    CHHAYA PUBLICATION|Exercise SOLVED NCERT EXEMPLAR PROBLEMS (Multiple Choice Question)|13 Videos

  • EQUILIBRIUM

    CHHAYA PUBLICATION|Exercise PRACTICE TEST 7|14 Videos

  • HALOAKANES AND HALOARENES

    CHHAYA PUBLICATION|Exercise Practise set 10 (Answer the following questions)|10 Videos

Similar Questions

Explore conceptually related problems

A copper block of mass 2.5 kg is heated in a furnace to a temperature of 500^@C and then placed on a large ice block. What is the maximum amount of ice that can melt? Specific heat of copper is 0.39 J gm^-1 "^@C^-1 , Heat of fusion of ice = 335 J gm^-1 .

Why are sulphide ores concentrated by froth floatation process?

What happens when- quicklime is heated with silica,

Explain why the concentraction of the sulphide ore is usually carried out by froth-floatation.

In the extraction of copper from its sulphide ore, the metal finally obtained by the reduction of cuprous oxide with -

How can you separate alumina from silica in a bauxite ore associated with silica? Give equations, if any.

Ethers should not be heated to dryness. Why ?

Why should copper sulphate solution not be kept in an iron vessel?

In metallurgy, the sulphide ore of copper is partly roasted. Why?

CHHAYA PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-SOLVED NCERT EXEMPLAR PROBLEMS (Short Answer Type)
  1. An external emf of 2.2 V is required for the manufacture of Cl(2) from...

    Text Solution

    |

  2. Coke can be used to reduce FeO to Fe at temperatures above 1073K. Just...

    Text Solution

    |

  3. Wrought iron is the purest form of iron. Write the reactions involved ...

    Text Solution

    |

  4. How can copper be extracted from low grade copper ores?

    Text Solution

    |

  5. Mention two primary requirements for the purification of metals by Mon...

    Text Solution

    |

  6. Although carbon and hydrogen are good reducing agents, they are not us...

    Text Solution

    |

  7. Name two sulphide ores which can be separated by froth-floatation.

    Text Solution

    |

  8. The purest form of iron is prepared by oxidising the impurities presen...

    Text Solution

    |

  9. A mixture of two compounds 'A' and 'B' is allowed to pass through a co...

    Text Solution

    |

  10. Copper sulphide ore is heated in a furnace with silica-why?

    Text Solution

    |

  11. Explain why a sulphide ore is converted into an oxide before reduction...

    Text Solution

    |

  12. What is the method used in the purification of Zr and Ti? Explain with...

    Text Solution

    |

  13. What are the points to be kept in mind during the extraction of metals...

    Text Solution

    |

  14. What is the role of flux in extraction of metals?

    Text Solution

    |

  15. How are the metals used as semiconductors purified? Explain the princi...

    Text Solution

    |

  16. Write the reaction taking place during the extraction of iron in the b...

    Text Solution

    |

  17. Mention two important requirements of vapour phase refining.

    Text Solution

    |

  18. Write the equations involved in the extraction of gold by cyanide proc...

    Text Solution

    |