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Which of the following is the ore of zin...

Which of the following is the ore of zinc?

A

Bauxite

B

Magnetite

C

Malachite

D

Calamine

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BODY BOOKS PUBLICATION-General Principles and Processes of Isolation of Elements-Example
  1. Explain the steps involved in the vapour phase refining of Ni and Zr

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  2. Leaching is a process of concentration of ores. Explain the leaching o...

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  3. Which of the following is the ore of zinc?

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  4. There are servral methods for refining metals. Explain a method for re...

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  5. Name two metals which can be refined by van-Arkel Method.

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  6. Calcination and raosting are treatments in metallurgy before metal ext...

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  7. The reduction of the metal oxide is easier if the metal formed is in l...

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  8. All ores are minerals, but all minerals are not ores. Why?

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  9. Carbonate ores are usually subjected to calcination, while sulphide or...

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  10. Write down the reason for adding limestone along with the concentrated...

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  11. Write down the reactions taking place at the higher temperature range ...

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  12. Name the principal ore of aluminium.

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  13. Write the equations for the reactions taking place at the anode and th...

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  14. The concept of DeltaG^@ of coupled reaction are used explain reduction...

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  15. In the blast furnace for manufacturing iron, most of the reduction is ...

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  16. Carbonate ore of iron is.

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  17. Which technique utlies the density difference between the ore and the ...

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

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  19. One of the stes in metallurgy is concentration of ores majority of the...

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  20. One of the steps in metallurgy is concentration of ores majority of th...

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