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Write about Alumino thermic process with...

Write about Alumino thermic process with examples.

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Assertion (A): In alumino thermite process, the metals like iron melts due to the heat evolved in the reaction. Reason (R): The reaction is: Fe_(2)O_(3)+2Al to Al_(2)O_(3)+2Fe

Aluminium is used in the alumino-thermic process because

In the alumino-thermic process, aluminium acts as

In the alumino thermite process aluminium acts as

Goldschmidt alvmino thermic process which of the following reducing agents is used:

DINESH PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -Questions From Board Examinations
  1. Give one example each of (i) acidic flux (ii) basic flux.

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  2. Distinguish between the following : (a) Ores and minerals (b) Flux a...

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  3. Write about Alumino thermic process with examples.

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  4. Name two important ores or iron. Write the method of extraction of iro...

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  5. Write the important ores of aluminium and the principle of extraction ...

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  6. Name a method used for removing gangue from sulphide ore.

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  7. How is wrought iron different from steel ?

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  8. Which reducing agent is employed to get copper from the low grade copp...

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  9. Outline the principle behind the refining of metals by chromatographic...

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  10. What is the role of zinc metal in the extraction of silver ?

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  11. Write a short note on leaching with an example.

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  12. How is iron extracted from its ore ? Explain with related chemical rea...

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  13. (i) Indicate the principle behind the method for the refining of nicke...

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  14. (i) Name a method used for the refining of zirconium. (ii) What is t...

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  15. (i) Indicate the principle behind the method used for the refining of ...

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  16. Write the names of the important ores of aluminium. Discuss the princi...

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  17. Write the names of any two ores of silver and give their chemical form...

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  18. Write principle behind the following : (i) Vapour phase refining (...

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  19. (i) What is the role of cryolite in the extraction of aluminium ? (i...

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  20. What is the role of iodine in Van Arkel process ?

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