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MBD PUBLICATION-GENERAL PRINCIPLES OF ISOLATION OF ELEMENTS-QUESTION BANK
- The phenomenon in which white transparent crystal changes into white p...
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- Which substance can be used for drying basic gases :
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- The cheap and high melting point compound used in furnace lining is :
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- Which element occurs freely in nature ?
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- The lightest metal is :
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- Which of the elements listed below shows allotropic forms?
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- The most malleable metal is :
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- Concentration of the ore is done :
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- The purpose of smelting of an ore is :
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- Calcination of an ore means :
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- The metal used in storage batteries is :
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- In blast furnace , the cup and cone arrangement is used :
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- The process of heating the ore strongly in excess of air so that the v...
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- Liquid crystals are best used in :
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- The existence of two or more crystalline forms of the same substance i...
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- In the reverberatory furnace :
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- Two compounds having the same crystal structures and analogous formula...
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- Which metal is extracted by electrolytic reduction ?
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- Refractory materials are used for the construction of furnaces because...
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- Roasting is generally done in case of :
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