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MBD PUBLICATION-GENERAL PRINCIPLES OF ISOLUTION OF ELEMENTS-QUESTION BANK
- 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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- Most of the plants contain :
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- A comman metal used as reductant for the extraction of metals from the...
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- Calcination and roasting are :
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- Chloride are among the following is :
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- Which radioactive element is more abundant in India ?
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- The group containing oxides that cannot be reduced by carbon to give t...
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- The salt which least likely to be found in minerals is
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- Main ore of aluminium is :
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- The cryolite is :
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- Zinc is obtained on large scale by :
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- In the Hall.s proces for extraction of Al, the ore is fused with :
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