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BEYOND PUBLICATION-PRINCIPLES OF METALLURGY-EXERCISE
- The formula of carnalllite is
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- --------- group are called chalcogenes.
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- Which combination is wrong for the extraction of sodium metal from fus...
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- Blister copper is a
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- Which of the following is wrong about poling ?
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- When an Iron object is painted, the process of corrosion is reduced du...
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- More electropositive metals (more active metals ) are not prepared by ...
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- Which of the following is true about preparation of Iron by smelting p...
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- Two test tubes. 'A' and 'B' contains iron nails. In 'A' test tube iron...
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- Buried underground pipes are coupled with small magnesium foils. This ...
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- During the electrolysis of sodium chloride ----------- gas liberates a...
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- is used to convert sulphide ore into oxide ore.
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- The ore of mercury is
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- Low boiling metals are purified by-----method
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- Rusting of iron is due to……..
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- The substance added to remove the impurity is
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- The formula for slag is………….
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- The furnaces in which there is no direct contact between the hearth an...
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- Which process are used for dressing of the ore ?
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- What is the importance of froth in this method ?
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