Home
Class 12
CHEMISTRY
Define amalgamation. Discuss its use ...

Define amalgamation. Discuss its use in the purification of gold and silver. Can Fe be purified by this method ?

Text Solution

AI Generated Solution

### Step-by-Step Text Solution **Step 1: Define Amalgamation** Amalgamation is a process used to extract metals from their ores by mixing them with mercury. In this process, the metal forms an amalgam with mercury, which can then be separated from the other impurities. This method is particularly useful for the extraction of precious metals like gold and silver. **Step 2: Use of Amalgamation in Purification of Gold and Silver** In the purification of gold and silver, amalgamation involves the following steps: - **Formation of Amalgam:** When gold or silver ores are mixed with mercury, the metals dissolve in the mercury to form a liquid amalgam. This occurs because gold and silver have a strong affinity for mercury. ...
Promotional Banner

Topper's Solved these Questions

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    PRADEEP|Exercise ADDITIONAL QUESTIONS (SHORT ANSWER QUESTIONS)|39 Videos
  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    PRADEEP|Exercise ADDITIONAL QUESTIONS (LONG ANSWER QUESTIONS)|1 Videos
  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    PRADEEP|Exercise NCERT EXEMPLAR PROBLEMS WITH ANSWERS, HINTS AND SOLUTIONS (LONG ANSWER QUESTIONS)|1 Videos
  • ELECTROCHEMISTRY

    PRADEEP|Exercise IMPORTANT QUESTIONS FOR BOARD EXAMINATION|25 Videos
  • HALOALKANES AND HALOARENES

    PRADEEP|Exercise IMPORTANT QUESTIONS FOR BOARD EXAMINATION|22 Videos

Similar Questions

Explore conceptually related problems

Define speciation. Discuss its types.

Poling method is used for the purification of:

The method used for the purification of Indium is :

Can iron be purified by amalgamation?

A colloidal solution can be purified by the following method :

PRADEEP-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -ADDITIONAL QUESTIONS (Very Short Answer Questions)
  1. Indicate the temperature at which carbon can be used as a reducing age...

    Text Solution

    |

  2. What is the role of coke in the extraction of iron from its ...

    Text Solution

    |

  3. Name the reducing agent to obtain iron from Fe2 O 3 at hi...

    Text Solution

    |

  4. Write a non - exothermic reaction takind place in the blast fur...

    Text Solution

    |

  5. Which form of the iron is the purest form of commercial iron ?

    Text Solution

    |

  6. What is the role of silica in the extraction of copper?

    Text Solution

    |

  7. What is the composition of 'Copper matte'?

    Text Solution

    |

  8. How is copper extracted from low grade copper ores?

    Text Solution

    |

  9. Which reducing agent is employed to get copper from the leached low-gr...

    Text Solution

    |

  10. Write the overall reaction taking place in the process used for ...

    Text Solution

    |

  11. How are tin and lead purified ?

    Text Solution

    |

  12. Mention two important substances present in the 'anode mud' obtaine...

    Text Solution

    |

  13. What is the principle of zone refining ?

    Text Solution

    |

  14. Give an example of zone refining of metals.

    Text Solution

    |

  15. Write the anem of the method used for refining of the followi...

    Text Solution

    |

  16. Write the principle of the method used for refining of germa...

    Text Solution

    |

  17. Name the method used for refining of (i) copper metal (ii) ...

    Text Solution

    |

  18. What is Van Arkel method of obtaining ultrapure metals ?

    Text Solution

    |

  19. Define amalgamation. Discuss its use in the purification of gold...

    Text Solution

    |

  20. What are the main components of invar ?

    Text Solution

    |