General Principles and Processes of Isolation of Elements (Metallurgy) questions

507 published questions with worked solutions.

• In the metallurgy of iron, when CaCO_3 is added to blast furnace, calcium ion appears as
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Electrolytic reduction of alumina to aluminium by Hall-Heroult process is carried out
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• The cyanide process is used for obtaining
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Forth floatation method is successful in separating impurities from ores because
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Copper pyrites is concentrated by
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Main function of roasting is
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Purest form of iron is
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• In blast furnace, iron oxide is reduced by
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• A substance which reacts with gangue to form fusible material is called
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• In order to refine blister copper, it is melted in a furnace and is stirred with green logs of wood. The purpose is
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Sulphide ores are generally concentrated by
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• The reaction 2ZnS+3O_2 2ZnO+2SO_2 in the metallurgical process of zinc is called
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• In blast furnace, the highest temperature is in
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Magnetic separation is used for increasing concentration of the following
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• The slag obtained during the extraction of copper from copper pyrites is composed of
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• The process of heating the ore strongly in excess of air so that the volatile impurities are removed and the ore is changed to...
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Cassiterite is concentrated by
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Purpose of smelting of an ore is
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• In alumino-thermite process, aluminium is used as
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• In metallurgy, flux is a substance used to convert
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus

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