Home
Class 12
CHEMISTRY
Which of the following metallurgical pro...

Which of the following metallurgical process is not needed in order to extract Zn from `ZnCO_(3)`?

A

Calcination

B

Roasting

C

Carbon reduction

D

Distillation.

Text Solution

Verified by Experts

The correct Answer is:
B

Roasting is carried out for sulphide ores.
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

Which of the following process is not involved in the extraction of Fe ?

Which of the following metal can not be extracted by smelting process

Which of the following process is used in the extractive metallurgy of magnesium ?

FIITJEE-TEST PAPERS-CHEMISTRY
  1. Which of the following reaction produce Cl(2) gas?

    Text Solution

    |

  2. Which of the following is a colourless complex ion?

    Text Solution

    |

  3. Which of the following metallurgical process is not needed in order to...

    Text Solution

    |

  4. Which of the following salt can increase te boiling point of water by ...

    Text Solution

    |

  5. Which of the following ion has the highest coagulation power for the s...

    Text Solution

    |

  6. A hydrogen electrode is prepared by using a sample of HCl solution wit...

    Text Solution

    |

  7. The heat of atomization of a compound XY(3) in gaseous state is E kJ m...

    Text Solution

    |

  8. P(g)+2Q(g)toPQ(2)(g),DeltaH=18kJmol^(-1) The entropy change of the a...

    Text Solution

    |

  9. 1.2 L of 0.4 M HCl solution can be completely neutralized by

    Text Solution

    |

  10. Which of the following should have the highest value for easily lique...

    Text Solution

    |

  11. (X)overset(Ba^(2+))tounderset(("white ppt"))(Y)darroverset(Cl(2)//H(2)...

    Text Solution

    |

  12. In the crystal lattice of CsCl,CS^(+) ions are present at the

    Text Solution

    |

  13. Which of the following pullutant can form complex with haemoglobin of ...

    Text Solution

    |

  14. Which of the following is an artificial sweetner?

    Text Solution

    |

  15. Which of the following reagent can convert phenol (PhOH) to anisole (P...

    Text Solution

    |

  16. CH(3)CH(2)underset(CH(3))underset(|)(C)=CHCH(3)overset("Reagent")toCH(...

    Text Solution

    |

  17. Which of the following compound forms two stereoisomers when treated w...

    Text Solution

    |

  18. CH(3)CH(2)CH(2)CONH(2)overset(Br(2)//KOH)toProduct The organic produ...

    Text Solution

    |

  19. Which of the following compound has the highest boiling point?

    Text Solution

    |

  20. How many electron(s) is/are present in 1.8 mL of water (density =1g/mL...

    Text Solution

    |