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DINESH PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -Multiple Choice
- The process of converting hydrated alumina into anhydrous alumina is c...
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- Colemanite is :
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- In the thermite process, the reducing agent is :
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- Which of the following metals present as impurity passes into solution...
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- Which of the following processes is used in the extractive metallurgy ...
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- Which solution is used as electrolyte in the extraction of aluminium m...
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- CN^(-) solution is used in the extraction of which metal ?
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- A cuprous ore among the following is :
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- All ores are minerals while all minerals are not ores because :
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- The process used for the extraction of sodium is called :
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- The common method for the extraction of metals from the oxide ore is :
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- Which of the following is not an ore of iron ?
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- Which of the following processes is used in the extractive metallurgy ...
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- The method of zone refining of metals is based on the principle of :
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- Pb and Sn are extracted from their chief ore by :
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- Which of the following is not an ore of magnesium ?
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- Extraction of zinc from zinc blende is achieved by
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- Which of the following statements about the advantage of roasting of s...
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- Sulphide ores of the metals are usually concentrated by froth floatati...
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- Which of the following is not an ore of aluminium ?
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