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ASSAM ACADEMIC CENTRE-General Principles of Processes of Isolation of Elements-Example
- Why is froth floatation process selected for the concentration of sulp...
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- Outline the prinicples of refining of metals by the following methods....
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- Give reasons for the following. Alumina is dissolved in cryolite for e...
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- Why Zinc oxide can be reduced to the metal by heating with Carbon andn...
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- Why is the extraction of copper from pyrites more difficult than that ...
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- Describe the role of the following in the processes mentioned: NaCN in...
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- Which is the most abundant element in the universe?
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- Which is the most abundant element in the earth's crust?
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- Which is the second most abundant element in the earth crust?
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- Name three metals which occur in the native state in nature.
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- What is malachite?
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- Why do some metals occurs in the native state?
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- What is metallurgy?
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- What are minerals?
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- What is an ore?
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- What is gangue (or matrix)?
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- What is flux? What is the role of flux in the metallurgy of iron and c...
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- What is slag?
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- Name any two acidic fluxes.
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- Distinguish between calcination and roasting.
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