Home
Class 12
CHEMISTRY
Refractory metals are used in constructi...

Refractory metals are used in construction of furnaces because

A

they can withstand high temperature

B

they are chemically inert

C

their melting point is high

D

their boiling point is low

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • PRINCIPLES OF METALLURGY

    AAKASH SERIES|Exercise SUBJECTIVE EXERCISE-1 ( SHORT ANSWER QUESTIONS )|4 Videos
  • PRINCIPLES OF METALLURGY

    AAKASH SERIES|Exercise SUBJECTIVE EXERCISE-2 (LONG ANSWER QUESTIONS )|7 Videos
  • PRINCIPLES OF METALLURGY

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE-2|45 Videos
  • PRACTICAL CHEMISTRY

    AAKASH SERIES|Exercise PRACTICE SHEET-5 (Integer answer Type questions)|6 Videos
  • PROTEINS AND NUCLEIC ACIDS

    AAKASH SERIES|Exercise PRACTICE SHEET - 4|30 Videos

Similar Questions

Explore conceptually related problems

Refractory materials are used for the constru-ction of furnaces because they

Explain the principle of a redox reaction used in the construction of galvanic cell ?

Construct the following angles using ruler and compasses. Write the steps of construction in each case. 105 ^(@)

Why do we use iron in constructing bridges and houses?

A pair of bacteria used during the construction of first asrtificial recombinant DNA molecules

what is use constructing ventilators

Highly electropositive metals can not he extracted by carbon reduction process because these

(A): Graphite is an example of neutral refractory material used in furnaces (R) : Chemically graphite is most stable allotrope of carbon

AAKASH SERIES-PRINCIPLES OF METALLURGY-PRACTICE EXERCISE
  1. Gravity separation method is based upon.

    Text Solution

    |

  2. Among the following statements the incorrect one is

    Text Solution

    |

  3. Refractory metals are used in construction of furnaces because

    Text Solution

    |

  4. The substance widely used to remove silica present as impurity, from t...

    Text Solution

    |

  5. Extraction of aluminium from aluminium oxide (Al(2)//O(3))is het done ...

    Text Solution

    |

  6. the most electropositive metals are isolated from their ors by

    Text Solution

    |

  7. Siderite mineral is

    Text Solution

    |

  8. Chemical composition of malachite is 'X'. Then the composition of azur...

    Text Solution

    |

  9. In sulphatizing roasting of Zns, products are

    Text Solution

    |

  10. In order to refine blister copper it is melted in a furnance and is st...

    Text Solution

    |

  11. Which of the following process is used for concentration of ores and f...

    Text Solution

    |

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

    Text Solution

    |

  13. Impurities in the zinc spelter are

    Text Solution

    |

  14. Role of limestone used in re extraction

    Text Solution

    |

  15. The purest form of commercial iron is

    Text Solution

    |

  16. Percent purity of iron in cast iron is

    Text Solution

    |

  17. Native silver metal forms a water soluble complex with a dilute aqueou...

    Text Solution

    |

  18. Which of the following metals can be used for precipitation of silver ...

    Text Solution

    |

  19. In the Down's process at low temperature sodium extracted is more beca...

    Text Solution

    |

  20. Aqueous sodium cyanide is used as a reagent in the metal extraction. T...

    Text Solution

    |