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BEYOND PUBLICATION-PRINCIPLES OF METALLURGY-EXERCISE
- During the electrolysis of sodium chloride ----------- gas liberates a...
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- is used to convert sulphide ore into oxide ore.
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- The ore of mercury is
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- Low boiling metals are purified by-----method
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- 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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