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Questions and Answers
Which of the following is classified as an oxide ore?
Which of the following is classified as an oxide ore?
- Copper Pyrite (CuFeS2)
- Cassiterite (SnO2) (correct)
- Siderite (FeCO3)
- Galena (PbS)
Hydrometallurgy is primarily used for reducing which type of metals?
Hydrometallurgy is primarily used for reducing which type of metals?
- Base metals
- Noble metals (correct)
- Middle metals
- Higher metals
What is the primary characteristic of pyrometallurgy?
What is the primary characteristic of pyrometallurgy?
- Involves aqueous solutions
- Depends on electrochemical reactions
- Uses low temperatures
- Utilizes high temperatures (correct)
Which of the following examples corresponds to electrometallurgy?
Which of the following examples corresponds to electrometallurgy?
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Which ore is classified as a carbonate ore?
Which ore is classified as a carbonate ore?
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Study Notes
Ores of Metals
- Haematite (Fe2O3) is an oxide ore.
- Zincite (ZnO) is an oxide ore.
- Cassiterite or Tin stone (SnO2) is an oxide ore.
- Iron Pyrite (FeS2) is a sulphide ore.
- Galena (PbS) is a sulphide ore.
- Copper Pyrite (CuFeS2) is a sulphide ore.
- Calamine (ZnCO3) is a carbonate ore.
- Siderite (FeCO3) is a carbonate ore.
- Malachite (CuCO2.Cu(OH)2) is a carbonate ore.
Types of Metallurgy
Pyrometallurgy
- Involves the use of high temperatures.
- Examples of metals that can be extracted through pyrometallurgy include Fe, Zn, and Ni.
- These metals are typically found in the middle of the electrochemical series (ECS).
Hydrometallurgy
- Involves reduction in an aqueous solution.
- Examples of metals that can be extracted through hydrometallurgy include Cu, Ag, and Au.
- These metals are typically found at the lower end of the electrochemical series (ECS).
Electrometallurgy
- Involves the use of electrolysis.
- Examples of metals that can be extracted through electrometallurgy include those in Group I, II, and Al.
- These metals are typically found at the higher end of the electrochemical series (ECS).
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Description
Identify the types of ores and metallurgy processes including pyrometallurgy, oxide, sulphide, and carbonate ores. Learn about their examples and characteristics.
