Metallurgy Principles and Processes
Chemistry ⇒ Metals and Non-metals
Metallurgy Principles and Processes starts at 9 and continues till grade 12.
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See sample questions for grade 9
A sample of ore contains 40% metal. If you have 500 g of ore, how much metal is present?
Describe the principle of froth flotation process.
Describe the process of electrolytic refining of copper.
Describe the role of flux in metallurgy.
Explain the difference between roasting and calcination.
Explain why aluminium is extracted from bauxite by electrolysis and not by reduction with carbon.
Explain why carbon is used as a reducing agent in the extraction of some metals.
Explain why highly reactive metals cannot be extracted by reduction with carbon.
Name the chemical used as a depressant in the froth flotation process for separating lead sulphide (PbS) from zinc sulphide (ZnS).
Name the process used to extract highly reactive metals like sodium and potassium from their ores.
Name the process used to extract iron from its ore.
What is the main purpose of roasting an ore?
