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BEYOND PUBLICATION-PRINCIPLES OF METALLURGY-EXERCISE
- Which of the following is an amphoteric oxide ?
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- Which is not a sulphide ore of metal ?
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- Which of the following alloys does not contain copper
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- Which of the following is the least abundant metal in earth's crust ?
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- A mineral is called ore if…….
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- Concentration by forth floatation is applicable for which of the follo...
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- Specific gravity of slag is always :
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- Polling process is employed for the removal of
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- Highly electropositive metals can not he extracted by carbon reduction...
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- Tamishing of silver is due to the presence of this gas in air……..
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- Pyrochemical processes in metallurgy are carried out in structure call...
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- The following metal is obtained by the auto reduction of its sulphide ...
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- Name the common elements present in the anode mud in the eletrolytic r...
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- Rusting of iron takes place in
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- The principle behind froth floatation is :
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- In Goldschmit alumino thermic process, thermite mixture is :
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- In the metallurgical extraction of iron, which of the following proces...
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- During the electrolysis of molten salts, the metals are always produce...
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- Arrange the following metals in the order of their decreasing reactivi...
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- The corrent decreasing order of the reactivity of the metals : Fe, Co,...
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