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MBD PUBLICATION-GENERAL PRINCIPLES OF ISOLATION OF ELEMENTS-QUESTION BANK
- Iron is made inactive or passive by:
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- The mineral of copper is:
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- Granulated zinc is obtained by:
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- After partial roasting, the sulphide of copper is reduced by:
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- Which process is not used in purification of bauxite ?
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- Electrolysis of fused carnallite gives:
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- Which is not an ore of leads ?
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- Coating of zinc on iron objects is commonly known as:
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- In serpek's process, by product obtained in the purification of bauxit...
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- 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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