Home
Class 12
CHEMISTRY
Why Zinc oxide can be reduced to the met...

Why Zinc oxide can be reduced to the metal by heating with Carbon andnot with `Cr_2O_3`?

Promotional Banner

Topper's Solved these Questions

  • EXAM PAPER 2013

    ASSAM ACADEMIC CENTRE|Exercise Example |74 Videos

  • Haloalkanes and Haloarenes

    ASSAM ACADEMIC CENTRE|Exercise Example|56 Videos

Similar Questions

Explore conceptually related problems

State whether the following statements are true or false: All metal oxides are not easily reduced to metals on being heated with carbon.

Specify the oxidation numbers of the metals in the following coordination entities: [Cr(NH_3)_3Cl_3]

What happens when carbon is heated with conc H_2SO_4

Answer the following questions: Specify the oxidation numbers of the metals in the following coordination entities: [Co(H_2O)(CN)(en)_2]^(2+)

Why aluminium cannot be extracted by reducing alumina (Al_2O_3) with Carbon?

Specify the oxidation numbers of the metals in the following coordination entities: [PtCl_4]^(2-)

Why a salt of zinc becomes yellow on heating? Explain.

Write the balanced ionic equation for the reaction. Conc HCl react with K_2Cr_2O_7

ASSAM ACADEMIC CENTRE-General Principles of Processes of Isolation of Elements-Example
  1. Zinc and not Copper is used for the recovery of silver from the comple...

    Text Solution

    |

  2. The extraction of Au by leaching with NaCN involves both oxidation and...

    Text Solution

    |

  3. Why Zinc oxide can be reduced to the metal by heating with Carbon andn...

    Text Solution

    |

  4. What is the role of iodine in the refining of titanium?

    Text Solution

    |

  5. Describe the role of the following in the processes mentioned: NaCN in...

    Text Solution

    |

  6. Describe the role of SiO2 in the extraction of Copper from Copper matt...

    Text Solution

    |

  7. The extraction of Au by leaching with NaCN involves both oxidation and...

    Text Solution

    |

  8. Name chief ore of iron.

    Text Solution

    |

  9. Explain the role of the following in the processes mentioned: Cryolite...

    Text Solution

    |

  10. Explain the role of Carbon monoxide in the purification of nickel.

    Text Solution

    |

  11. Name the method used for the refining of Nickel.

    Text Solution

    |

  12. Give examples differentiate between Roasting and Calcination.

    Text Solution

    |

  13. Explain the role of the following in the processes mentioned: Cryolite...

    Text Solution

    |

  14. Why Zinc not extracted from Zinc oxide through reduction using CO?

    Text Solution

    |

  15. What is flux? What is the role of flux in the metallurgy of iron and c...

    Text Solution

    |

  16. Explain the role of Carbon monoxide in the purification of nickel.

    Text Solution

    |

  17. Outline the prinicples of refining of metals by the following methods....

    Text Solution

    |

  18. Write the chemical equation for Mond process.

    Text Solution

    |

  19. Write the chemical equation for Van Arkel method.

    Text Solution

    |

  20. Explain the role of the following in the processes mentioned: Silica i...

    Text Solution

    |