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What is the chief ore of iron? Write che...

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

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ASSAM ACADEMIC CENTRE-General Principles of Processes of Isolation of Elements-Example
  1. Why is the reduction of a metal oxide easier if the metal formed is in...

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  2. Explain briefly the leaching of aluminium ore.

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  3. What is the chief ore of iron? Write chemical reactions taking place i...

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  4. Describe how the following change are brought about pig iron into stee...

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  5. Describe how the following change are brought about zinc oxide into me...

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  6. Describe how Impure titanium is convereted into pure titanium.

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  7. Describe the role of NaCN in the extraction of gold from gold ore.

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

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  9. Describe the role of the following in the processes mentioned: Iodine ...

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

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  11. Write down the reaction taking place in different zones in the blast f...

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  12. Write the chemical reactions which take place in the following operati...

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  13. Write the chemical reactions which take place in the following operati...

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  14. Write the chemical equation for Mond process.

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

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

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

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  18. Describe how the following change are brought about pig iron into stee...

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  19. Describe how the following changes are brought about Impure copper int...

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  20. The reaction, Cr2O3 + 2Al rarr Al2O3 + 2Cr (DeltaG^@ = -421KJ) is ther...

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