Home
Class 12
CHEMISTRY
The addition of high proportions of maga...

The addition of high proportions of maganese makes steel useful in making rails or railroads because manganese useful in making rails or railroads because maganese

A

gives hardness of steel

B

helps the formation of oxides of iron

C

can remove oxygen only

D

can show highest oxidation state of +7

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • METTALURGY

    NARAYNA|Exercise MULTIPLE ANSWER QUESTOINS|66 Videos

  • METTALURGY

    NARAYNA|Exercise Assertion and Reasoning Questions|2 Videos

  • METTALURGY

    NARAYNA|Exercise Concentration|6 Videos

  • METALLURGY

    NARAYNA|Exercise STATEMENT TYPE QUESTOINS|20 Videos

  • NUCLEAR CHEMISTRY

    NARAYNA|Exercise INTEGER|28 Videos

Similar Questions

Explore conceptually related problems

Manganese steel is used for making railway tracks because:

Chloroprene is used in making

NARAYNA-METTALURGY-Single Answer Questions
  1. Brine is electrolysed by using inert electrodes. The reaction at anode...

    Text Solution

    |

  2. Among the following statements, the incorrect one is

    Text Solution

    |

  3. The addition of high proportions of maganese makes steel useful in mak...

    Text Solution

    |

  4. When the ore haematite is burnt in air with coke around 2000 K along w...

    Text Solution

    |

  5. In the commercial electrochemical process for aluminium extraction, th...

    Text Solution

    |

  6. In the elactrolytic extraction of aluminium, cryolite is used.

    Text Solution

    |

  7. Extraction of silver from Ag(2)S by the use of sodium cyanide is examp...

    Text Solution

    |

  8. The chemical processes in the production of steel from haematite ore i...

    Text Solution

    |

  9. The chemical composition of slag formed during the smelting process in...

    Text Solution

    |

  10. In the metallurgy of iron, when limestone is added to the blast furnac...

    Text Solution

    |

  11. Which of the following process is used in the extractive metallurgy of...

    Text Solution

    |

  12. Identify the metal M whose extraction is based on the following reacti...

    Text Solution

    |

  13. In the process of extraction of gold, Roasted gold ore +CN^(-)+H2Oov...

    Text Solution

    |

  14. Two ores A1 and A2 of a metal M show the following reactivity: A...

    Text Solution

    |

  15. Pb and Sn are exerted from their chief ores by:

    Text Solution

    |

  16. Which ore contains both iron and copper?

    Text Solution

    |

  17. Match the extraction processes listed in column I with metals listed i...

    Text Solution

    |

  18. Extraction of zinc from zinc blende is achieved by:

    Text Solution

    |

  19. Black tin is

    Text Solution

    |

  20. Match the conversions in Column I with the type(s) of reaction(s) give...

    Text Solution

    |