Home
Class 12
CHEMISTRY
Which of following metal oxide (s) can b...

Which of following metal oxide (s) can be reduced to the corresponding metal by hydrogen
a) `M o O_(3)` b) `WO_(3)` c) `Fe_(2)O_(3)` d) ZnO
The correct match is

A

Only a and b

B

a, b and d

C

a and c

D

a only

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • REVISION EXERCISE

    AAKASH SERIES|Exercise d-BLOCK ELEMENTS|50 Videos

  • REVISION EXERCISE

    AAKASH SERIES|Exercise COMPLEX COMPOUNDS|47 Videos

  • REVISION EXERCISE

    AAKASH SERIES|Exercise NOBLE GASES|25 Videos

  • REDOX REACTONS

    AAKASH SERIES|Exercise Questions For Descriptive Answers|27 Videos

  • SOLID STATE

    AAKASH SERIES|Exercise PRACTICE SHEET - 5|30 Videos

Similar Questions

Explore conceptually related problems

Which one of the following metals will not reduce H_(2)O ?

Which of the following can be oxidized by H_(2)O_(2) ?

Calculate the oxidation number of iron in (a) FeO, (b) Fe_(2)O_(3) and (c) Fe_(3)O_(4) .

Write the oxidation number of oxygen in (a) O_(3) , (b) MgO, (c) H_(2)O_(2) , (D) KO_(2) and (e) OF_(2)

Classify the following oxides as neutral ,acidic basic or amphoteric . a) CO b) B_(2)O_(3) c) SiO_(2) d) CO_(2) e) Al_(2)O_(3) f) pbO_(2) g) Tl_(2)O_(3)

A mixture of Al_(2) O_(3) and Fe_(2) O_(3) can be separa-ted by using

Which of the following are correct about the reaction, FeS_(2) + O_(2)rarrFe_(2)O_3 + SO_(2)

Write the average oxidation number of (a) N in NaN_(3) , (b) Fe in FeS_(2) and (c) O in KO_(2) .

For a good quality cement the ratio of (CaO)L (lime quick) to SiO_(2) , Al_(2)O_(3) and Fe_(2)O_(3) is

AAKASH SERIES-REVISION EXERCISE -METALLURGY
  1. Consider the following statements regarding roasting.It is carried ou...

    Text Solution

    |

  2. Which of following metal is extracted by the electrolysis of its salt ...

    Text Solution

    |

  3. Which of following metal oxide (s) can be reduced to the corresponding...

    Text Solution

    |

  4. The metal iron obtained for the last furnace contains X' percent of ca...

    Text Solution

    |

  5. Incorrect statement is

    Text Solution

    |

  6. Ag2S is digested with 1% solution of NaCN and air is blown into the so...

    Text Solution

    |

  7. Sodium connot be extracted by electrolysis of aqueous solutions due to

    Text Solution

    |

  8. Regarding the electrolysis of Alumina, the correct statements A) Cry...

    Text Solution

    |

  9. In froth flotation process which of the following is used as froth st...

    Text Solution

    |

  10. Silver sulphide is heated in the presence of air and common salt to co...

    Text Solution

    |

  11. Metal extracted only by electrolysis process is

    Text Solution

    |

  12. Silver can be precipitated in hydrometallurgy by using aluminium. Thi...

    Text Solution

    |

  13. At which one of the following condition, a reducing agent is suitable ...

    Text Solution

    |

  14. From the below Ellingham diągram, incorrect statement among the follow...

    Text Solution

    |

  15. Colourless solutions of the following four salts are placed separately...

    Text Solution

    |

  16. Zirconium and titanim are purified by

    Text Solution

    |

  17. Pb and Sn are extracted from their chief ore by

    Text Solution

    |

  18. Gold and silver are extracted from their repective ores by

    Text Solution

    |

  19. The process of protecting iron by coating with zinc is called

    Text Solution

    |

  20. All of the following metals are silvery white except

    Text Solution

    |