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MODERN PUBLICATION-GENERAL PRINCIPLE OF ISOLATION OF ELEMENTS-EXERCISE
- 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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- Which solution is used for the leaching of silver metal in the presenc...
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- Out of C and CO, which is a better reducing agent in the lower tempera...
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- Give an example of zone refining of metals .
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- What is the role of cryolite in the metallurgy of aluminium ?
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- Name the method used for removing gangue from sulphide ores.
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- How is wrought iron different from cast iron ?
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- Discuss the gravity separation method of concentration of ores.
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- Discuss froth flotation method of concentration of ore.
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- Discuss the magnetic separation method of concentration of ores.
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- Discuss leaching method of concentration of ores.
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