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Is it true that under certain conditions...

Is it true that under certain conditions, Mg can reduce `SiO_2` and Si canreduce MgO? What are those conditions?

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AAKASH SERIES-METALLURGY-EXERCISE - 7.2
  1. What criterion is followed for the selection of the stationary phase i...

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  2. Which metals are extracted by auto-reduction process?

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  3. Why copper pyrites roasted partially during the extraction of copper?

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  4. Ag and Cu are below hydrogen in activity series, yet they are found in...

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  5. CO is more effective reducing agent than coke below 983 K, but above 9...

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  6. How the following metals are refined: (a) Copper with cuprous oxide ...

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  7. When heamatite is burnt in air with coke and lime at 2000^(@)C, steel ...

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  8. Why is the extraction of copper form pyries more difficult then that f...

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  9. How is leaching carried out in the case of low grade copper ores?

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  10. Hydrogen is a common reductant of organic chemicals, but it is not ...

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  11. Copper can be extracted by hydrometallurgy but not Zinc -explain.

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  12. Alkali metals are

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  13. Is it true that under certain conditions, Mg can reduce SiO2 and Si c...

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  14. Name the metal M, which is extracted based on the following equation ...

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  15. In the extraction of Fe, what is the advantage of difference in temper...

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  16. Metal oxide is easily reduced if the metal is in molten state at the t...

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  17. What are the compositions of gem stones, ruby and sapphire?

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  18. Active metals are not extracted by the electrolysis or aqueous electro...

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  19. DeltaG(f)^(@)values for the formation of CuO, CO and H(2)O are respect...

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  20. Anhydrous aluminium chloride fumes in air. Give reasons.

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