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MODERN PUBLICATION-GENERAL PRINCIPLE OF ISOLATION OF ELEMENTS-EXERCISE
- In the extraction of iron, the slag produced is :
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- The process of converting hydrated alumina into anhydrous alumina is c...
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- Nickel is purified by thermal decomposition of its :
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- The most abundant element in the earth's crust (by weight) is :
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- In the thermite process, the reducing agent is :
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- What is mean by pyrometallurgy ?
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- Which of the following process is used in the extractive metallurgy of...
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- Metal always found in free state is :
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- The process of removal of gangue particles from ores is known as :
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- Barytes ore is :
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- Which statement is correct ?
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- Mond process is used in the extraction of :
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- Roasting is generally carried out in case of :
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- Metal occur in the native form because of their
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- Which pair of elements can from alloy ?
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- Specific gravity of slag is :
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- Sperrylite is :
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- Which process is used for the purification of Al metal ?
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- Oil used as frother in froth floatation process
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- Calamine is an ore of
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