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

507 published questions with worked solutions.

• The region in which metals are found in earth is called:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• In the extraction of lead from its ore galena, an important element recovered is:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• The grey cast iron contains:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• To obtain chromium from chromic oxide (Cr_2O_3), the method used is:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• In the metallurgy of iron, when lime stone is added to the blast furnace, the calcium ions are removed as:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• In metallurgical process, the flux used for removing acidic impurities is:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• After partial roasting, the sulphide of copper is reduced by:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Blast furnace is used in the metallurgy of:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Galena is an ore of:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• In the extraction of copper from its sulphide ore, the metal is finally obtained by the reduction of cuprous oxide with:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Heating of pyrite ores in air to remove Sulphur is known as:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Cupellation process is used in the metallurgy of:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Blister copper is obtained by:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Before introducing FeO in blast furnace, it is converted to Fe_2O_3 by roasting so that:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Sulphide ore is:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Roasting is used in the extraction of:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Smelting is the reduction of oxide to metal by:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Liquation is used to purify:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Which of the following processes involves the roasting process?
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Roasting is generally carried out in case of:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus

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