Home
Class 12
CHEMISTRY
Name two sulphide ores which can be sepa...

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

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

Name the ores which are concentrated by froth floatation process.

The ore that can be best concentrated by froth - floatation -

Ores concentrated by froth-floatation are -

Assertion (A) : Sulphide ores are concentrated by froth-floatation. Reason (R) : In froth-floatation, cresol stabilises the froth formed.

Why are sulphide ores concentrated by froth floatation process?

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

Collectors in froth-floatation.

If galena (PbS) is contaminated with zinc blende (ZnS), how can these be separated by froth-floatation?

Name two poisonous gases which can be prepared from chlorine gas.

How jute fibre can be separated?

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

    |