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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. Explain the role of the following in the processes mentioned: Silica i...

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  2. How is 'cast iron' different from pig iron?

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

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

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  5. Mention an important ore of aluminium.

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  6. Which metal foils are used for wrapping chocolates?

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  7. Why aluminium cannot be extracted by reducing alumina (Al2O3) with Car...

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  8. Name two ores which can be concentrated by froth floatation process.

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

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  10. Name the common elements present in the anode mud in electrolyte refin...

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  11. Which is the most abundant element in the earth's crust?

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  12. Which is the second most abundant element in the earth crust?

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  13. Name any two acidic fluxes.

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  14. What is leaching?

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  15. What is benefaction process?

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  16. Name the process by which an ore of tin containing FeCrO4 in concentra...

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  17. Give one example where hydrometallurgy is used for metal extraction?

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  18. When is electrolytic reduction applied for getting metal?

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  19. Name two metals which are used for reduction in metallurgical process....

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  20. Name the three commercial varieties of iron.

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