Home
Class 12
CHEMISTRY
What is leaching?...

What is leaching?

Text Solution

Verified by Experts

This is a chemical method for concentrating ores in which the ore forms a soluble compound on treatment with a suitable reagent.
Promotional Banner

Topper's Solved these Questions

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    ICSE|Exercise EXERCISE (PART-II ( DESCRIPTIVE QUESTIONS )) (SHORT ANSWER QUESTIONS)|205 Videos

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    ICSE|Exercise EXERCISE (PART-II ( DESCRIPTIVE QUESTIONS )) (LONG ANSWER QUESTIONS)|53 Videos

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    ICSE|Exercise EXERCISE (PART-I ( OBJECTIVE QUESTIONS )) (MATCH THE FOLLOWING)|6 Videos

  • ELECTROCHEMISTRY

    ICSE|Exercise ISC EXAMINATION QUESTIONS (PART-II Numerical Problems) |19 Videos

  • HALOALKANES AND HALOARENES

    ICSE|Exercise SOURCE|9 Videos

Similar Questions

Explore conceptually related problems

Which of the following metals is not extracted by leaching ?

Which of the following metal's ore is/are concentrated by leaching method?

How is leaching carried out in case of low grade copper ores?

How is leaching carried out in case of low grade copper ores?

Describe the process of decomposition of detritus under the following heads : Fragmentational leaching, catabolism, humification and mineralization.

Sulphide ore of metal are usually concentrated by froth flotation process .Which one of the following sulphide3 ores after an exception and is contrated by electrical leaching?

How many of the following statements are incorrect ? (i) Decomposition is largely an anaerobic process . (ii) Fragmentation , leaching , and catabolism occur simultaneously on detritus. (iii) The vertical distribution of different species occupying different levels is called stratification . (iv) The pond is a deep water body . (v) The rate of decomposition is controlled by the chemical composition of detritus and climatic factors.

Which one of the following ores is treated by chemical leaching

What is the significance of leaching in the extraction of aluminium?

ICSE-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -EXERCISE (PART-II ( DESCRIPTIVE QUESTIONS )) (VERY SHORT ANSWER QUESTIONS)
  1. When an acidic flux is used ?

    Text Solution

    |

  2. When a basic flux is used ?

    Text Solution

    |

  3. What is leaching?

    Text Solution

    |

  4. Alumina is concentrated by dissolving in concentrated solution of NaOH...

    Text Solution

    |

  5. What is the role of collectors in froth floatation process? Name two...

    Text Solution

    |

  6. Why sulfide ores are usually concentrated by froth floatation process ...

    Text Solution

    |

  7. What is Ellingham diagram?

    Text Solution

    |

  8. In terms of Ellingham diagram state why Al2O3 cannot be reduced by chr...

    Text Solution

    |

  9. Which reducing agent is used to reduce the oxides of less electroposit...

    Text Solution

    |

  10. Which kind of ores undergo self reduction ?

    Text Solution

    |

  11. What are refractory materials?

    Text Solution

    |

  12. Why is MgO used for lining the inner surface of the furnace?

    Text Solution

    |

  13. Indicate the temperature at which carbon can be used as a reducing age...

    Text Solution

    |

  14. How would you purify a metal like Copper?

    Text Solution

    |

  15. Name the purification method which involves vapour phase extraction.

    Text Solution

    |

  16. Ultra pure silicon is needed by electronic industry. By which method o...

    Text Solution

    |

  17. Name the three main varieties of iron. Which out of them is the purest...

    Text Solution

    |

  18. What is the percentage of carbon in steel?

    Text Solution

    |

  19. A crude metal is heated with iodine to form metal tetraiodide which is...

    Text Solution

    |

  20. What is the principle of chromatographic separation ?

    Text Solution

    |