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Why Copper matte is put in Silica lined ...

Why Copper matte is put in Silica lined converter?

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What is copper matte?

Explain why When a solution of CuSO_4 is electrolytes with plantinum electrodes, the concentration of the electrolyte gradually diminishes but when copper electrodes are used no change in concentration of CuSO_4 occurs.

Explain the role of the following in the processes mentioned: Silica in the extraction of copper.

Why is copper sulphate pentahydrate coloured?

In which of the following does adsorption takes place and why? Silica gel placed in the atmosphere saturated with water.

Why does the colour of copper sulphate solution change when an iron nail is dipped in it?

Give reasons why copper is used to make hot water tank and not steel (an alloy of iron).

Why do the electrostatic field lines not form closed loop?

Copper (I) and d^(10) configuration, while copper (II) has d^9 configuration. Still Copper (II) is more stable in aqueous solution than Copper (I) Why?

ASSAM ACADEMIC CENTRE-General Principles of Processes of Isolation of Elements-Example
  1. How is 'cast iron' different from pig iron?

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  2. Differentiate between 'minerals' and 'ores'.

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  3. Why Copper matte is put in Silica lined converter?

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  4. Explain the role of the following in the processes mentioned: Cryolite...

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  5. How is leaching carried out in case of low grade copper ores?

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  6. Why Zinc not extracted from Zinc oxide through reduction using CO?

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  7. Out of C and CO, which is a better reducing agent at 673 K?

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  8. Name the processes from which Chlorine is obtained as a by product.

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  9. What is the role of graphite rod in the electrometallurgy of aluminium...

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  10. Outline the prinicples of refining of metals by the following methods....

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  11. Predict conditions under which Al might be expected to reduce MgO.

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  12. Describe how the following change are brought about pig iron into stee...

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  13. Describe how the following changes are brought about Impure copper int...

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  14. Name two metals which occur in nature as oxides.

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  15. Why is froth floatation process selected for the concentration of sulp...

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  16. Outline the prinicples of refining of metals by the following methods....

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  17. Give reasons for the following. Alumina is dissolved in cryolite for e...

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  18. Why Zinc oxide can be reduced to the metal by heating with Carbon andn...

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  19. Why is the extraction of copper from pyrites more difficult than that ...

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  20. Describe the role of the following in the processes mentioned: NaCN in...

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