Home
Class 12
CHEMISTRY
Which of the following statements are tr...

Which of the following statements are true for froth floatation process (for a concentration of sulphide ores)?

A

Pine oil used as collectors

B

Cresol enhance non wettabillity of the mineral particles

C

`NaCN` selectively prevents `PbS` from coming to the froth but allows `ZnS` to come with the froth

D

The mineral particles become wet by oils while the gangue particles by water.

Text Solution

Verified by Experts

The correct Answer is:
A, D
In froth flotation process pine oil used as collector which enhance non-wettability of mineral particles.
Cresol is froth stabilizers.
`NaCN` used as depressant
Promotional Banner

Topper's Solved these Questions

  • STOICHIOMETRY AND BALANCING REDOX REACTION

    FIITJEE|Exercise SINGLE INTEGER ANSWER TYPE QUESTIONS|5 Videos

  • THERMODYNAMICS AND THERMOCHEMISTRY

    FIITJEE|Exercise SINGLE INTEGER ANSWER TYPE QUESTIONS|5 Videos

Similar Questions

Explore conceptually related problems

Froth flotation process used for the concentration of sulphide ore.

Froth floatation process used for the concentration of sulphide ore :

Why is froth floatation process selected for the concentration of the sulphide ore ?

Which of the following ores are concentrated by froth floatation ?

Froth floatation process is used for the concentration of

FIITJEE-TEST PAPERS-CHEMISTRY
  1. One mole of component P and two moles of component Q are mixed at 27^(...

    Text Solution

    |

  2. Select the correct statement for lead storage battery:

    Text Solution

    |

  3. Which of the following statements are true for froth floatation proces...

    Text Solution

    |

  4. Which of the following elements can give NO(2) as a by product on reac...

    Text Solution

    |

  5. Chlorine has great affinity for hydrogen. It reacts with compouns cont...

    Text Solution

    |

  6. Match the following column of precipitate/mass listed in Column I with...

    Text Solution

    |

  7. In column I, certain thermodynamic process are given and in Column II,...

    Text Solution

    |

  8. Which kind of isomerism is exhibited by octahedral [Co(NH(3))(4)Br(2)]...

    Text Solution

    |

  9. How many millitres of 0.05M K(4)[Fe(CN)(6)] solution is required for t...

    Text Solution

    |

  10. A molecule A(x) dissovle in water and is non volatile. A solution of c...

    Text Solution

    |

  11. What volume of air (in m^(3)) is needed for the combustion of 1m^(3) o...

    Text Solution

    |

  12. Find the total number of metals, which makes a thin protective layer o...

    Text Solution

    |

  13. The number of salts formed by telluric acid when treated with strong b...

    Text Solution

    |

  14. If 6.65xx10^(-2)g of metalllic zinc is added to 100ml saturated soluti...

    Text Solution

    |

  15. Initial volume of H(2) gas saturated with water vapour is confined und...

    Text Solution

    |

  16. Which of the following statement is/are correct?

    Text Solution

    |

  17. Which of the following an reaction with H(2)S will produce metal sulph...

    Text Solution

    |

  18. A dilute solution contains m mol of solute A in 1 kg of a solvent with...

    Text Solution

    |

  19. Select the correct statement for clous seeding

    Text Solution

    |

  20. Which of the following combination, of compounds/elements and its pack...

    Text Solution

    |