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Identify the ores that can be concentrat...

Identify the ores that can be concentrated by leaching.

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Zincite (ZnO), bauxite `(Al_2O_3.2H_2) and diaspore `(Al_2O_3H_2O)` can be concentrated by leaching with a concentrated solution of NaOH.
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A N EXCEL PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-QUESTION BANK
  1. Is it ture under certain conditions Mg can reduce Al2O3 and Al can red...

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  2. Analyses the table given below: Which of the ores mentioned in the ...

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  3. Identify the ores that can be concentrated by leaching.

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  4. What do you mean by leaching?

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  5. You are provided with samples of some impure metals such as titanium a...

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  6. What is the name of the method that is used in manufacturing of sodium...

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

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

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  9. Bauxite, Al2O3.xH2O is an important ore of aluminium. It is concentrat...

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

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

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  12. Match the items of Column I with items of Column II

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  13. Why is reduction of a metal oxide easier if the metal formed is in liq...

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  14. The scientific and technological process used for isolation of the met...

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

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  16. Give two examples for alloy

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

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  18. Match the items of Column I with items of Column II

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  19. Sulphide ores are concentrated by froth floatation process. Write the ...

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  20. Explain the 'froth' floatation process'

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