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Name chief ore of iron....

Name chief ore of iron.

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What is the chief ore of iron? Write chemical reactions taking place is the extraction of iron from its ore?

Name the main ore of iron.

Name the main ores of lanthanoids?

Name one ore of Manganese and Chromium.

Determine the Empirical formulae of an oxide of iron which has 69.9% iron and 30.1% dioxygen by mass.

Name the three commercial varieties of iron.

Give reasons: Name one ore each of the manganese and chromium.

Why does an alkaline medium inhibite the rusting of iron?

ASSAM ACADEMIC CENTRE-General Principles of Processes of Isolation of Elements-Example
  1. Describe the role of SiO2 in the extraction of Copper from Copper matt...

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

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  3. Name chief ore of iron.

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

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

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

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  7. Give examples differentiate between Roasting and Calcination.

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

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

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  10. What is flux? What is the role of flux in the metallurgy of iron and c...

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

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

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  13. Write the chemical equation for Mond process.

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  14. Write the chemical equation for Van Arkel method.

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

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

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  17. Describe the role of the following in the processes mentioned: Limesto...

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  18. Explain the role of the following in the processes mentioned: Depressa...

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

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

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