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MBD PUBLICATION-GENERAL PRINCIPLES OF ISOLATION OF ELEMENTS-QUESTION BANK
- The sand stone in some iron ores is removed by:
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- Which is metalloid ?
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- Blood haemoglobin contains:
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- Which set of elements is called chalcogens ?
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- Which metal is chiefly used in galvanising Fe?
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- The iron obtained from the blast furnace is called as
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- Which is not an ore of nickel ?
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- Amalgams are:
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- When pyrolusite is fused with KOH in presence of air, the fused mass b...
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- Tin is extracted from tin stone by heating it in a furnace with:
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- Smelting is done in:
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- The process of calcination and roasting are carried out in:
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- In the extraction of lead from its ore galena, an important element re...
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- Lepidolite is an ore of:
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- Which is used for the extraction of cadmium from cadmium sulphate ?
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- Magnesite is:
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- From which from of iron, other forms of iron can be produced ?
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- Silver obtained by argentiferrous lead is purified by:
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- Boron is found in form of:
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- Which metal is not silver white?
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