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

507 published questions with worked solutions.

• The most abundant ore of iron is:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Which of the following elements is present as the impurity to the maximum extent in the pig iron?
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Other forms of iron can be produced from:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• An ore of silver is:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• The process used in obtaining metallic silver from argentite is:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• In the manufacture of iron from an iron ore, limestone is added because it acts as:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• In the electrolytic purification of copper some gold is found in the:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Which is formed when iron reacts with carbon?
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Horn silver is:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Molten Ag absorbs about ..... times of O_2:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• The flux used in the smelting of copper is:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• The chemical formula of azurite is:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Roasting of HgS in air produces:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• The process of extraction of Au and Ag ores is based on their solubility in:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Duraluminium is an alloy that contains:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• The mineral from which copper is manufactured is:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Which form of iron has lowest percentage of carbon?
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• As percentage of carbon increase in iron, its hardness:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• Lunar caustic is chemically:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus
• From sodium argentocyanide Na[Ag(CN)_2], silver is precipitated by adding a powder of:
  JEE Main · Chemistry · General Principles and Processes of Isolation of Elements (Metallurgy)
  Not in JEE Main or NEET syllabus

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