Home
Class 12
CHEMISTRY
Roasted tin-stone ore after washing with...

Roasted tin-stone ore after washing with water is known as

A

Moistuyre is removed

B

As and S are removed in the form of their volatile oxides

C

Any ferrous oide is oxidised to ferric oxide.

D

The mass becomes compact and thus makes it sutiable for ready reduction to metallic iron.

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • METTALURGY

    NARAYNA|Exercise Statement Typer Question|2 Videos

  • METTALURGY

    NARAYNA|Exercise Extraction of metals|44 Videos

  • METALLURGY

    NARAYNA|Exercise STATEMENT TYPE QUESTOINS|20 Videos

  • NUCLEAR CHEMISTRY

    NARAYNA|Exercise INTEGER|28 Videos

Similar Questions

Explore conceptually related problems

The amount of water held by the soil after drainage is known as

People use a variety of methods to wash clothes. Usually after adding the soap, they ‘beat’ the clothes on a stone, or beat it with a paddle, scrub with a brush or the mixture is agitated in a washing machine. Why is agitation necessary to get clean clothes?

Though tin stone is oxide of tine, yet roasting is carried out for this ore. Why ?

NARAYNA-METTALURGY-Extraction
  1. Roasted tin-stone ore after washing with water is known as

    Text Solution

    |

  2. Which of the following metals can be oriented directly during the roas...

    Text Solution

    |

  3. Which of the followigng metal is obtained by the reduction of metal ox...

    Text Solution

    |

  4. Galena (PbS) on heating in limited supply of air gives lead metal. Thi...

    Text Solution

    |

  5. Which of the following oxides is reduced by water gas to obtain the me...

    Text Solution

    |

  6. For which one of the following reaction, the graph of DeltaG against T...

    Text Solution

    |

  7. Which of the following metal oxides are reduced by Co ?

    Text Solution

    |

  8. Some statement about Ellingham diagram (a) Increase in the slope of ...

    Text Solution

    |

  9. Consider the following reaction at 1000^(@)C (A) Zn((s))+(1)/(2)O(2(...

    Text Solution

    |

  10. Cabon cannot reduce Fe(2)O(3) to Fe at a temperature below 983K becaus...

    Text Solution

    |

  11. In the blast furncae the reaction that occurs in the zone of heat abso...

    Text Solution

    |

  12. The flux used in the extraction of iron from Haematite in te blast fur...

    Text Solution

    |

  13. Cast iron contains phosphorus as impurity. In Bessemerisation of this ...

    Text Solution

    |

  14. Which of the following is not a correct statement

    Text Solution

    |

  15. Pudding process is used in the manufacture of

    Text Solution

    |

  16. The calcicum phosphate slag is commerically

    Text Solution

    |

  17. In the extraction of copper the smelt formed in the blast furnace cont...

    Text Solution

    |

  18. In Bessemer converter Cu(2)S is converted in to blister copper in

    Text Solution

    |

  19. The fuel used in Belgion process is

    Text Solution

    |

  20. Spelter is impure form of

    Text Solution

    |