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MBD PUBLICATION-GENERAL PRINCIPLES OF ISOLUTION OF ELEMENTS-QUESTION BANK
- 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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- ores dressing for iron by :
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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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- To obtain chromium from chromite the method used is .
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- Argentite is a mineral of :
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- Cinnabar is :
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- In the manufacture of iron from haematite, limestone is added to act a...
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- Which of the following is the heaviest metal ?
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- Silicon is the main constituent of :
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- The furance which gives highest temperature is .
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- Which is not a mineral of aluminium:
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- Carnallite is a mineral of :
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- Polling process is used :
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- Carbon reduction process is not used for extraction of
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- Heating of carbonate ores to remove carbon is called as :
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- In metallurgical process, the flux used for removing acidic impurities...
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- The removal of impurities from a crude metal is called :
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