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Write the composition of brass and germa...

Write the composition of brass and german silver ? 

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Brass is an alloy of copper and zinc `(60% Cu and 40% Zn)` German silver is an alloy of copper, zinc and vickel `30% Cu, 30%Zu, 40%Ni`
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AAKASH SERIES-METALLURGY-PROBLEMS
  1. In moist air copper corrodes to produce a green layer on the surface....

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  2. Why is the reduction of a metal oxide if the metal formed is in liquid...

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  3. The Value of DeltaG^(@) for the formation of Cr(2)O(3) is -"540KJ mol...

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  4. Reduction of metal sulphides directly with carbon is not possible. Why...

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  5. Eventhough reduction of magnesia with aluminium is thermodynamically f...

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  6. Aluminium containing alumina as impurity can be refined by poling or n...

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  7. The choice of a reducing agent in the extraction of a particular case...

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  8. Hydrogen is a common reductant of organic chemicals, but it is not ...

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  9. Out of coke and carbonmonoxide, which is a better reducing agent for i...

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  10. Both coke and lime stone are used in smelting of iron ore. Why?

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  11. In the Auto oxidation taking place in Bessemer converter during the ex...

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  12. During the smelting of roasted copper pyrites in blast furnace, why Cu...

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  13. Out of C and CO, which is a better reducing agent for ZnO ?

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  14. How is a mixture of oxides of Aland Fe separated ?

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  15. Aluminium vessels should not be washed with materials containing washi...

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  16. Graphite rods are frequently replaced in Hall-Heroult's process of ex...

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  17. Write the composition of brass and german silver ?

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