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Extraction of Metals from Ores

Chemistry ⇒ Metals and Non-metals

Extraction of Metals from Ores starts at 9 and continues till grade 12. QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Extraction of Metals from Ores. How you perform is determined by your score and the time you take. When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 10
Describe the process of froth flotation used in the concentration of sulphide ores.
Describe the process of leaching in the extraction of metals.
Describe the role of limestone in the extraction of iron from its ore.
Explain why carbon cannot be used to reduce aluminium oxide to aluminium.
Explain why gold and platinum are found in the native state.
Explain why iron is not extracted by electrolysis of its ore.
Explain why sulphide ores are usually converted to oxides before reduction.
Name one metal that is found in nature in the free state.
Name the method used to extract iron from its ore.
Name the process used to purify copper after extraction.