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MBD PUBLICATION-GENERAL PRINCIPLES OF ISOLATION OF ELEMENTS-QUESTION BANK
- Copper pyrites ore is concentrated by
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- Leaching is a process of:
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- Malachite is an ore of :
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- Which of the following is not a basic flux ?
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- The most abundant element in the earth crust is :
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- A mineral is known as ore if metal
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- The most abundant metal in the earth crust is :
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- Gold is extracted using :
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- Extraction of silver from its ore involving NaCN , air and an active m...
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- In the thermite process, the reducing agent is :
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- Blanc fixe is :
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- Carbon reduction is used for the extraction of :
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- Froth floatation process is based on :
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- Which contains both Ca and Mg ?
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- Heating of ores with flux to remove non fusible mass is called:
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- In the electrolysis of alumina, cryolite is added to :
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- The process of converting hydrated alumina into anhydrous alumina is c...
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- Which of the following statement regarding the metallurgy of magnesium...
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- In the metallurgy of zinc , the zinc dust obtained from roasting and r...
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- Some of the metals occur in the native state in nature because they :
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