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SHARAM PUBLICATION-GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS-EXERCISE
- Name one acidic and one basic flux.
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- Why do some metals occur in the native state ?
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- What is the role of stabilizer in froth floatation process ?
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- An ore of galena (PbS) is contaminated with Zinc blende (ZnS). Name on...
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- Which types of ores are roasted ?
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- Name the method used for the refining of copper metal.
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- Why sulphide ores are concentred by froth floatation process.
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- Which process is used for refining of metals which are used as Semicon...
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- What is formed when a flux reacts with a gangue material?
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- Name three important ores of iron .
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- Between CO and C , which is better reducing agent at 983 k
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- Fill in the blank and rewrite the whole statement. Two metals which ...
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- Fill in the blank and rewrite the whole statement. A non-metal which...
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- Fill in the blanks : During electro refining of copper ……….. And …………....
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- Fill in the blanks : …………. Is used as reducing agent during smelting.
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- Fill in the blanks : Froth floatation process is the suitable method o...
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- Fill in the blanks : A homogeneous mixture of a metal with mercury is ...
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- Fill in the blanks : Flux combines with infusible impurities to form …...
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- Fill in the blanks : …………… acts as acidic flux while ………. Acts as a ba...
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- Minerals, from which metal can be extracted economically, are called …...
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