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

507 published questions with worked solutions.

• Which of the following pairs of metals is purified by van Arkel method?
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• In froth floatation process many chemicals (frother, collector, activator and depressant) are used. Which is called a frother?
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Match the extraction process listed in column I with metals listed in column II. Column I A. Self reduction B. Carbon reduction...
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Which is not an iron ore?
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Pig iron is converted into steel by decreasing the amount of carbon contained in it, in a:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Iron is obtained on large scale from Fe_2O_3 by:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• In the electrolysis of alumina, cryolite is added to:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Which of the following statements about the advantages of roasting sulphide ore before reduction is not true?
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Carbon reduction is used for the extraction of:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Which process is used for the extraction of metals from their sulphide ores?
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Zinc metal is refined by:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Ferric oxide in blast furnace is reduced by:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• The non-fusible impurities of ores are removed by adding:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• The process of converting hydrated alumina into anhydrous alumina is called:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Electrometallurgical process (electrolysis of fused salt) is employed to extract:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• The process of removal of gangue particles from ores is known as:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• In the commercial electrochemical process for aluminium extraction, the electrolyte used is:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• The mineral of copper is:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Which is used for the extraction of cadmium from cadmium sulphide?
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Main ore of aluminium is:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus

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