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Name the three commercial varieties of i...

Name the three commercial varieties of iron.

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ASSAM ACADEMIC CENTRE-General Principles of Processes of Isolation of Elements-Example
  1. When is electrolytic reduction applied for getting metal?

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

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  3. Name the three commercial varieties of iron.

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  4. Which is the purest form of commercial iron?

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  5. What is the actual reducing agent of haematite in blast furnace?

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  6. In which mineral iron (II) iron (III) oxide occur?

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  7. What is an Ellingham diagram?

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  8. What are depressants? How does NaCN act as depressant in preventing Zn...

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  9. Zinc and not Copper is used for the recovery of silver from the comple...

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  10. The extraction of Au by leaching with NaCN involves both oxidation and...

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

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  12. What is the role of iodine in the refining of titanium?

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

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  14. Describe the role of SiO2 in the extraction of Copper from Copper matt...

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  15. The extraction of Au by leaching with NaCN involves both oxidation and...

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  16. Name chief ore of iron.

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

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  18. Explain the role of Carbon monoxide in the purification of nickel.

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  19. Name the method used for the refining of Nickel.

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  20. Give examples differentiate between Roasting and Calcination.

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