Home
Class 12
CHEMISTRY
Which of the following reaction occur du...

Which of the following reaction occur during calcination ?

A

`CaCO_(3) rarr CaO + CO_(2)`

B

`2Al(OH)_(3) rarr Al_(2)O_(3) + 3H_(2)O`

C

`4FeS_(2) + 11 O_(2) rarr 2Fe_(2)O_(3) + 8SO_(2)`

D

`Cu_(2)S + 2CuO rarr 4Cu + SO_(2)`

Text Solution

Verified by Experts

The correct Answer is:
A, B
Reaction `(a)` and `(b)` represent calcination process, whereas `( c)` is roasting as reduction is done by heating in presence of `O_(2)` and `(d)` is auto-reduction process.
Promotional Banner

Topper's Solved these Questions

  • GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

    CENGAGE CHEMISTRY ENGLISH|Exercise Exercise (Single Correcttype)|106 Videos

  • GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

    CENGAGE CHEMISTRY ENGLISH|Exercise Exercise (Assertion-Reasoning)|18 Videos

  • GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

    CENGAGE CHEMISTRY ENGLISH|Exercise Exercises (Linked Comprehension)|42 Videos

  • ELECTROCHEMISTRY

    CENGAGE CHEMISTRY ENGLISH|Exercise Archieves Subjective|35 Videos

  • GRIGNARD REAGENTS AND ORGANOMETALLIC REAGENTS

    CENGAGE CHEMISTRY ENGLISH|Exercise Exercises Archives (Linked Comprehension)|1 Videos

Similar Questions

Explore conceptually related problems

Which of the following reaction(s) occurs during calcination?

Which of the following reactions does not occur during calcination?

Which of the following reactions does not occur during calcination?

Which of the following type of reaction occurs during the formation of peptide bond and glycosidic bond ?

Which of the following occurs during muscle contraction?

Which of the following reaction does not occur?

Which of the following reaction occur most rapidly ?

Which of the following reactions will not occur ?

Which of the following reactions occurs at the cathode?

Which of the following reactions does not occur ?

CENGAGE CHEMISTRY ENGLISH-GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS-Exercise (Multiple Correct)
  1. Which of the following are correctly matched ?

    Text Solution

    |

  2. Auto-reduction process is used for the extraction of :

    Text Solution

    |

  3. Which of the following reaction occur during calcination ?

    Text Solution

    |

  4. Leaching can be used for extraction of

    Text Solution

    |

  5. MgO can be used as a refractory material because

    Text Solution

    |

  6. Salt which is (are) least likely to find in minerals

    Text Solution

    |

  7. The extraction of metals from oxide ores involve :

    Text Solution

    |

  8. According to Ellingham diagram the oxidation reaction of carbon and ca...

    Text Solution

    |

  9. Which of the following statements are correct regarding metallurgy of ...

    Text Solution

    |

  10. In the electrolytic reduction of pure Al2O3. Fluorspar (CaF2) is added...

    Text Solution

    |

  11. Which is correct process-mineral group in metallurgical extraction ?

    Text Solution

    |

  12. Tempering of steel

    Text Solution

    |

  13. Out of the following reduction processes : (i) Fe(2)O(3) + 3C rarr 2...

    Text Solution

    |

  14. Which of the following metals cannot be obtained by electrolysis /

    Text Solution

    |

  15. Silver containing lead as an impurity is not purified by

    Text Solution

    |

  16. Select the correct statements for Ellingham diagram.

    Text Solution

    |

  17. Which of the following statements is/are correct

    Text Solution

    |

  18. Which of the following pairs consists of ore the same metal ?

    Text Solution

    |

  19. Which of the following metal oxides are reduced by self-reduction meth...

    Text Solution

    |

  20. Disadvantages of using carbon as a reducing agent :

    Text Solution

    |