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BEYOND PUBLICATION-PRINCIPLES OF METALLURGY-EXERCISE
- Rusting of iron is due to……..
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- The substance added to remove the impurity is
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- The formula for slag is………….
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- The furnaces in which there is no direct contact between the hearth an...
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- Which process are used for dressing of the ore ?
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- What is the importance of froth in this method ?
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- The oil used in froth flotation process is
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- What are the impurities present in the cast iron ?
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- Is there any other name for purification of impure metal ?
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- On which factors the purification of a metal depends ?
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- How many methods are there to purify a metal ?
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- When do distillation process is useful ?
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- In electrolytic refining, where do the impure metal is kept ?
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- Which things are added to the ore in smelting ?
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- What is the effect of heat that produced in smelting process ?
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- How do the impurities change during smelting ?
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- How do the ore get heated in smelting process ?
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- What is role of flux in removing impurities ?
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- Write two sentences about the reactivity of 'Pb'.
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- There is metal which has low boiling point. To refine it which process...
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