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Questions and Answers
Which process involves the removal of metals from their ores?
Which process involves the removal of metals from their ores?
- Filtration
- Reduction (correct)
- Oxidation
- Evaporation
What is the main purpose of using a flux in metal extraction?
What is the main purpose of using a flux in metal extraction?
- To remove impurities from the metal
- To decrease the melting point of the metal (correct)
- To increase the hardness of the metal
- To increase the melting point of the metal
Which type of furnace is commonly used for the extraction of iron from its ore?
Which type of furnace is commonly used for the extraction of iron from its ore?
- Blast furnace (correct)
- Reverberatory furnace
- Electric arc furnace
- Induction furnace
What is the primary compound found in bauxite during the purification process?
What is the primary compound found in bauxite during the purification process?
Which chemical process is used to extract alumina from bauxite?
Which chemical process is used to extract alumina from bauxite?
What is the byproduct of the extraction of alumina from bauxite using the Bayer process?
What is the byproduct of the extraction of alumina from bauxite using the Bayer process?
During the extraction of metals, which stage involves the reduction of metal oxides using carbon or carbon monoxide?
During the extraction of metals, which stage involves the reduction of metal oxides using carbon or carbon monoxide?
In the extraction of metals, what is the purpose of roasting in the initial stage of processing metal ores?
In the extraction of metals, what is the purpose of roasting in the initial stage of processing metal ores?
What is the purpose of using a flux in the extraction of metals?
What is the purpose of using a flux in the extraction of metals?
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