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MBD PUBLICATION-GENERAL PRINCIPLES OF ISOLUTION OF ELEMENTS-QUESTION BANK
- 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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- Zinc blende (an ore ) is
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- Froth floatation process for the concentration of ores is a practical...
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- Which element is present in pitchblende :
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- The non-fusible impurities of ores are removed by adding :
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- Which is known as blister copper ?
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- Which process represent the change, Ti + 2I2 rarr TiI4 rarr Ti + 2I2
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- The common method of extraction of metals from oxide ores involves :
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- The following equation represents a method of purification of nickel b...
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- Smelting is the reduction of oxide to metal by :
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- Which furnace can be used to get temperature above 3000@C ?
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- Heating of pyrite ores in air to remove sulphur is known as :
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- In froth floatation process many chemicals (frother, collector, activa...
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- Which substance is used as basic refractory material in furnace :
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- The non-fusible impurities of ores are removed by adding :
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- Which metal can be purified by distillation ?
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- The correct statement is :
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- Galena is an ore of :
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