Home
Class 12
CHEMISTRY
Name the common ores of i) Chromiüm ii) ...

Name the common ores of i) Chromiüm ii) Molybdenum iii) Tungsten

Text Solution

Verified by Experts

i) Chromite - .(FeCr)_(2) (O)_(4). ii) Molybdenite - MoS, iit) Wolframite - FeWO: MnWO ._(4).
Promotional Banner

Topper's Solved these Questions

  • SURFACE CHEMISTRY

    V PUBLICATION|Exercise QUESTION BANK|126 Videos

  • The p-BLOCK ELEMENTS

    V PUBLICATION|Exercise QUESTION BANK|147 Videos

Similar Questions

Explore conceptually related problems

Name the ores of Titanium?

Name common pills use.

Name the principal ore of aluminium.

Sum of the first 15 terms of an arithmetic sequençe is 495 and sum of first 25 terms is 1325 . i) What is the common difference of this sequence? ii) What is the first term? iii) What is the sum of first n terms of this sequence?

Name the constituents of the following-alloys? (i) Bronze,ii)stainless steel

" Pond silk" is the common name of

Name,the method used for refining of (i) Nićkel (ii) Zireonium

What is the common name of the members of phylum porifera?

V PUBLICATION-THE d- AND f- BLOCK ELEMENTS-QUESTION BANK
  1. Name the ores of Titanium?

    Text Solution

    |

  2. . Name the metal, with highest melting point?

    Text Solution

    |

  3. Name the common ores of i) Chromiüm ii) Molybdenum iii) Tungsten

    Text Solution

    |

  4. How is potassium permanganate prepared in the laboratory?

    Text Solution

    |

  5. What is the reaction between KMnO(4) and sodium thiosulphate?

    Text Solution

    |

  6. Potassium permanganate KMnO(4) is not a primary standard Why?

    Text Solution

    |

  7. Actinoids show, a large number of oxidation states Why?

    Text Solution

    |

  8. Write the reason for the statement given below: Transition elements sh...

    Text Solution

    |

  9. Which of the following would be coloured? Ti^(3+),Mn^(2+),Sc^(3+),Fe^...

    Text Solution

    |

  10. Why do transition elements have many irregularities in their electroni...

    Text Solution

    |

  11. Which one is paramagnetic is Sc^(3+) or Cr^(4+). Why?

    Text Solution

    |

  12. Which is more basic LaOH(3) or LuOH(3) . Why?

    Text Solution

    |

  13. Why Sm^(2+), Eu^(2+) and Yb^(2+) in solutions 'are good reducing agen...

    Text Solution

    |

  14. Why is the third ionisation energy of manganese (At No. 25) unexpected...

    Text Solution

    |

  15. Write all possible oxidation states of an element having atomic number...

    Text Solution

    |

  16. Why is it not advisable to dissolve KMnO(4) in conc.H(2) SO(4)

    Text Solution

    |

  17. Write the electronic configuration of Gadolinium (Z = 64) and its most...

    Text Solution

    |

  18. There is a covalency between Mn and Oxygen in permanganate Ion. Why?

    Text Solution

    |

  19. The +3 oxidation states of lanthanum(z=57), gadolinium (z=64) and lute...

    Text Solution

    |

  20. What happens when chromates are keptin acidic solution and dichromates...

    Text Solution

    |