Metallurgy
Browse 60 questions on Metallurgy. Click on any question to view the detailed answer and explanation.
What is 'Gangue'?
What is 'Metallurgy'?
What is the chemical formula of Bauxite?
What is the chemical formula of Copper Pyrites?
What is the chemical formula of Zinc Blende (Sphalerite)?
What is the chemical formula of Calamine?
What is the chemical formula of Magnetite?
What is the chemical formula of Siderite?
What is the chemical formula of Malachite?
Which is the most abundant metal in the earth's crust?
What is the principle behind Hydraulic Washing (Gravity Separation)?
What is the principle behind Magnetic Separation?
Which method is primarily used for concentrating sulphide ores?
What is the role of 'Collectors' in Froth Floatation?
What is the role of 'Froth Stabilisers' in Froth Floatation?
What is the function of a 'Depressant' in Froth Floatation?
Which depressant is used to separate ZnS from PbS?
What is the process of leaching alumina from bauxite called?
Write the reaction for leaching of alumina.
How is pure alumina recovered from sodium aluminate solution?
Which metals are leached using dilute NaCN or KCN solution in the presence of air?
What is 'Calcination'?
What is 'Roasting'?
Write the roasting reaction for Zinc Blende.
What is 'Copper Matte'?
What is the criteria for feasibility of a reaction at a given temperature based on Gibbs energy?
What does an Ellingham Diagram plot?
Why does the slope of the curve for go downwards in Ellingham Diagram?
Why is reduction of metal oxide easier if the metal formed is in liquid state?
In which furnace is iron typically extracted?
Which reducing agent reduces iron oxides in the upper part (lower temp) of Blast Furnace?
Which reducing agent reduces iron oxides in the lower part (higher temp) of Blast Furnace?
Write the reaction for reduction of Haematite by CO at 500-800 K.
What is 'Pig Iron'?
What is 'Cast Iron'?
What is 'Wrought Iron'?
Why is silica ( ) added during smelting of copper ores?
What is 'Blister Copper'?
How is Zinc extracted from Zinc Oxide?
In the Hall-Heroult process for Al extraction, what is the electrolyte?
What is the role of Cryolite in Hall-Heroult process?
What is the anode and cathode in Hall-Heroult process?
Write the overall reaction in Hall-Heroult process.
How is copper extracted from low grade ores?
What is the principle of 'Distillation' refining?
What is 'Liquation' used for?
In Electrolytic Refining of Copper, what is the anode and cathode?
What is 'Anode Mud'?
What is the principle of 'Zone Refining'?
Which metals are refined by Zone Refining?
What is 'Vapour Phase Refining'?
Name the process for refining Nickel.
Write the reaction for Mond Process.
Name the process for refining Zirconium (Zr) or Titanium (Ti).
What reagent is used in Van Arkel Method?
What is the stationary phase in 'Column Chromatography'?
Which metal is commonly used for wrapping chocolates?
What is 'Brass' an alloy of?
What is 'Bronze' an alloy of?
What is 'German Silver' an alloy of?