Unit Processes for Metal Extraction MCQ

Test your knowledge with important Unit Processes for Metal Extraction MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Unit Processes for Metal Extraction MCQs on Bissoy. Bissoy App

• Which metal is used for the reduction of Fe2O3 which is used in the Thermit welding process?
  ক

  Boron

  খ

  Calcium

  গ

  Sulphur

  ঘ

  Aluminium
• All the reaction which occur in the lower region of the blast furnace is exothermic.
  ক

  True

  খ

  False
• Which part of the blast furnace has the maximum temperature?
  ক

  Topmost

  খ

  Middle

  গ

  Preheating zone

  ঘ

  Lowermost
• Where is the liquid iron collected in the blast furnace?
  ক

  Stack

  খ

  Bosh

  গ

  Hearth

  ঘ

  Tuyeres
• What is the purpose of adding the limestone in a blast furnace?
  ক

  It serves as a flux

  খ

  To increase the temperature of the blast furnace

  গ

  To reduce oxides

  ঘ

  It acts as an oxidizing agent
• Extraction of iron in a blast furnace is carried out using which type of chemical process?
  ক

  Oxidation of sulphide ores

  খ

  Carbothermic reduction of oxide ores

  গ

  Reduction of sulphide ores

  ঘ

  Oxidation of oxides