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MODERN PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE
- What is a depressant ? Give one example.
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- Define aluminothermy.
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- What is the principle of chromatographic separation ? Name the differe...
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- What type of ores are roasted?
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- Whichmethodof refining is used whena metal of high degree of purity is...
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- Name the sulphide ores of (i) zinc (ii) lead .
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- Out of C and CO, which is a better reducing agent for ZnO ?
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- Sulphide ores are concentrated by froth floatation process.
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- Write reduction reaction occurring in the blast furnace in the metallu...
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- What are ores? Name one sulphide ore.
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- Why can't aluminium be reduced by carbon ?
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- State the role of silica in the metallurgy of copper.
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- What is the role of depressant in froth flotation process ?
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- What is the principle of zone refining ?
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- What is the role of graphite in the electrometallurgy of aluminium ?
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- Give an important ore of each of Zinc and Magnesium.
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- What is the composition of copper matte?
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- Define calcination.
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- Define roasting.
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- What is Blister copper?
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