Home
Class 12
CHEMISTRY
Suggest methods for concentration of the...

Suggest methods for concentration of the following ores?1.`ZnS` 2.`Fe_2 O_3` 3.`Cu_2 S`

Text Solution

Verified by Experts

1. .ZnS. - Froth flostation.process 2. .Fe_2 O_s. -Magnetic separation 3. .Cr_2 ~S.. - Froth floatation process
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    V PUBLICATION|Exercise QUESTION BANK|154 Videos

  • HALOALKANES AND HALOARENES

    V PUBLICATION|Exercise QUESTION BANK|144 Videos

Similar Questions

Explore conceptually related problems

Give the general method used for the concentration of following ores:Bauxite ore.

Give the general method used for the concentration of following ores:Zinc sulphide ore.

Suggests method for the quantitative estimation of ozone (O_3) .

Which of the following ores contains both Cu and Fe?

Suggest suitable method for the following process.Benefication of sulphide ores.

Represent the following compound using Stock notation:: Fe_2O_3

Write the half-reactions for the following redox reactions: a) '2 Fe^(3+)(aq)+2 I-(aq) rarr 2 Fe^(2+)(aq)+l_2(aq)' b) 'Zn(s)+2 H^+(aq) rarr Zn^(2+)+H_2(g)' c) 'Al(s)+3 Ag^+(Aq) rarr Al^(3+)(aq)+ 3 Ag(s)'

V PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-QUESTION BANK
  1. Explain the term gangue,flux and slag.

    Text Solution

    |

  2. An oxide ore A has a magnetic oxide B and SiO2 as the chief impur...

    Text Solution

    |

  3. Suggest methods for concentration of the following ores?1.ZnS 2.Fe2 O...

    Text Solution

    |

  4. Given below are the names of a few ores. Classify them as oxide ores, ...

    Text Solution

    |

  5. Some metallic compounds /ores are given below [ZnS, .Al2 O3 .2 H2 O,...

    Text Solution

    |

  6. A.Describe the purification of Ti by Van Arkel method. B.Explain the p...

    Text Solution

    |

  7. A house wife gave some of her gold ornaments to a person for polishing...

    Text Solution

    |

  8. While adding the raw materials into the Blast furnace for the extracti...

    Text Solution

    |

  9. Given below is a symbolic parktng zone. Select stitable term from thos...

    Text Solution

    |

  10. In a classroom discussion Ramu said that ocean is a store house of ele...

    Text Solution

    |

  11. In a classroom discussion Raju said that silver ores and native gold h...

    Text Solution

    |

  12. Froth floatation process is convenient for the concentration of sulphi...

    Text Solution

    |

  13. A.Name the metallurgical refining technique used for purification of N...

    Text Solution

    |

  14. a. 'The ore mixed with coke and limestone is introduced into the blast...

    Text Solution

    |

  15. How does NaCN act as a depressant in preventing ZnS from forming the ...

    Text Solution

    |

  16. Cinnabar (HgS) and galena (PbS) on roasting. often given their respect...

    Text Solution

    |

  17. Although thermodynamically feasible,in practice, magnesium metal is no...

    Text Solution

    |

  18. In general which metals do you expect.to occur in the native state in ...

    Text Solution

    |

  19. Why is it advantageous to roast a sulphide ore before reduction?

    Text Solution

    |

  20. A, white powder (A) whén heated gave off a coloúrless gas (B) which tu...

    Text Solution

    |