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MODERN PUBLICATION-GENERAL PRINCIPLE OF ISOLATION OF ELEMENTS-EXERCISE
- Distinguish between mineral and ore.
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- What is difference between calcination and roasting ?
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- What is self-reduction in metallurgy? Give example.
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- What is leaching ? Glve an example.
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- Why cannot Al be reduced by carbon ?
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- What is the role of stabilizer in froth floatation process ?
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- It is true that under certain conditions magnesium can reduce SiO(2) ...
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- What is the significance of leaching in the extraction of aluminium?
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- What is the role of graphite rods in the electrometallurgy of aluminiu...
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- Out of C and CO which is a better reducing agent for ZnO ?
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- Explain CaO react with SiO(2) to form a slag ?
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- Pine oil is used in forth floatation method . Why ?
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- Why sulphide ores are concentred by froth floatation process.
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- How is copper extracted from its low grade ore?
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- Between CO and C , which is better reducing agent at 983 k
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- An ore of galena (PbS) is contaminated with Zinc blende (ZnS). Name on...
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- Why is the reduction of a metal oxide easier, if the metal formed is i...
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- At a site , low grade copper ores are available and zinc and iron scra...
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- Copper can be extracted by hydrometallurgy but not zinc. Explain.
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- Name the method used for refining of Nickel metal.
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