Home
Class 12
CHEMISTRY
Duralumin is used in aircraft industry f...

Duralumin is used in aircraft industry for its light weight and high strength . It is an alloy of

A

Al , Cu, Mg and Mn

B

Al , Zn , Fe and Sn

C

Al , Ti, Ce and Fe

D

Al , Fe , Zn and Sn

Text Solution

Verified by Experts

The correct Answer is:
A

Duralumine is an alloy of A, Cu Mg and Mn.
Promotional Banner

Topper's Solved these Questions

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    MODERN PUBLICATION|Exercise Multiple Choice Questions - Level - III|3 Videos
  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    MODERN PUBLICATION|Exercise Recent Examination Questions|13 Videos
  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    MODERN PUBLICATION|Exercise Recent Examination Questions|13 Videos
  • EQUILIBRIUM

    MODERN PUBLICATION|Exercise Recent Examination Questions|17 Videos
  • HALOALKANES AND HALOARENES

    MODERN PUBLICATION|Exercise RECENT EXAMINATION QUESTIONS|12 Videos

Similar Questions

Explore conceptually related problems

A metal X is used extensively in making aeroplane bodies as it is light in weight it is also used in extraction of metals by displacement reaction. The metal obtained during one such displacement is a molten metal as the reaction involved is hightly exothermic. The reaction mentioned above is used in joining railway tracks. a. Identify the metal X. b. What is the reaction mentioned above called? c.Write the chemical reaction for the above reaction.

A straight horizontal rod of mass 30 grams and length 0.3m is placed in a uniform horizontal magnetic field of strength 0.2 T perpendicular to the rod. Calculate the current through the rod, if the force on it just balances its weight. g=9.8ms^(-2).

Explain the following. a] Why is tungsten used almost exclusively for filament of electric lamps? b] Why are the conductors of electric heating devices, such as bread-toasters and electric irons made of an alloy rather than a pure metal? c] Why is the series arrangement not used for domestic circuits? d] How does the resistance of a wire vary with its area of cross-section? e] Why are copper and aluminum wires usually employed for electricity transmission?

A rectangular beam which is supported at its two ends and loaded in the middle with weight W sags by an amount delta such that delta=(Wl^(3))/(4Yd^(3)x), where l , d and Y represent length, depth and elasticity respectively. Guess the unknown factor using dimensional considerations :

The resistance offered by a wire of unit length and unit cross-sectional area is called resistivity. For a material irrespective of length and area, the resistivity is constant. It is also called specific resistance of the material. Metals and alloys have low resistivity while insulators have high resistivity. Resistivity of two elements A and B are 1.62 xx 10^(-8) Omega m and 520 xx10^(-8) Omega m respectively. Out of these two, name the element that can be used to make : (i) filament of electric bulb. (ii) wires for electrical transmission lines.

MODERN PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -Multiple Choice Questions - Level - II
  1. Which of the following statement is not true ?

    Text Solution

    |

  2. In the equation , 4M +8CN^(-) +2H2O+O2 rarr 4[M(CN)2]^(-)+4OH^(-), the...

    Text Solution

    |

  3. Identify the reaction that does not take place in a blast furnace.

    Text Solution

    |

  4. The temperature of the slag zone in the metallurgy of iron using blast...

    Text Solution

    |

  5. Which of the following methods is used for obtaining aluminium metal ?

    Text Solution

    |

  6. The metal used to recover copper from a solution of copper sulphate is

    Text Solution

    |

  7. Which of the following pair of metals is purified by Van Arkel method ...

    Text Solution

    |

  8. Duralumin is used in aircraft industry for its light weight and high s...

    Text Solution

    |

  9. Which one of the following is true in electrolytic refining ?

    Text Solution

    |

  10. In the extraction of copper from its sulphide ore, the metal is formed...

    Text Solution

    |

  11. The reduction of zinc oxide with coke occurs at temperature

    Text Solution

    |

  12. Identify the alloy containing a non - metal as a constituent in it.

    Text Solution

    |

  13. Aluminium is extracted from alumina (Al2O3) by electrolysis of a molte...

    Text Solution

    |

  14. The chemical process in the production of steel from haematite ore inv...

    Text Solution

    |

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

    Text Solution

    |

  16. The methods chiefly used for the extraction of lead and tin from their...

    Text Solution

    |

  17. Which one contains both iron and copper ?

    Text Solution

    |

  18. During the process of electrolytic refining of copper some metals pres...

    Text Solution

    |

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

    Text Solution

    |

  20. Which one contains both iron and copper ?

    Text Solution

    |