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What chemical process is used for obtain...

What chemical process is used for obtaining a metal from its oxide?

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Reduction process is used for obtaining a metal from its oxide.
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(a) Name two metals which are found in free state in nature. (b) What chemical process is used for extracting a metal from its oxide ore? Name one metal which is extracted by this method. (c) Describe the extraction of zinc metal from its sulphide ore as well as its carbonate ore. Write equations of all the reactions involved.

(a) What is reactivity series of metals ? What can you say about the reactivity of metals which are placed: (i) in the middle of reactivity series? (ii) towards the bottom of reactivity series? (iii) towards the top of reactivity series? (b) A metal is placed in the middle of reactivity series. Suggest a chemical process to obtain this metal from its oxide. Support you answer with one example. (c) A metal is placed towards the top of the reactivity series. Suggest a chemical process to obtain this metal from oxide. Support your answer with one example.

The entire scientific and techlolgical process used for isolation of the metal from its orea is known as

Aluminothermic process is used for the extraction of metals, whose oxides are

TARGET PUBLICATION-METALLURGY-ANSWER THE FOLLOWING
  1. What is the difference between magnetic separation method and froth fl...

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  2. Write a short note on leaching.

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  3. What chemical process is used for obtaining a metal from its oxide?

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  4. Explain oxidation and reduction according to electronic conccept .Give...

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  5. Explain giving one example, how highly reactive metals (which are high...

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  6. Give four examples of highly reactive metals.

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  7. Write the electrode reaction for electrolysis of molten magnesium chlo...

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  8. Describe Bayer's process for concentration of bauxite ore.

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  9. Explain Hall's process used for concentration of bauxite ore.

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  10. Describe the electrolytic reduction of alumina with neat labelled diag...

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  11. Complete the following statement using every given options. During ...

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  12. What are the moderately reactive metals?

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  13. In which form do the moderately reactive metals occur in nature?

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  14. Why should the metal sulphides and carbonates be converted to metal ox...

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  15. Mention the steps carried out for the extraction of zinc from its carb...

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  16. Giving examples differentiate between roasting and calcination.

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  17. Give any four examples of moderately reactive metals.

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  18. 3MnO2 + 4Al to 3Mn + 2Al2O3 + Heat Identify the substances undergo...

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  19. What is a thermite reaction? Explain with the help of an equation.stat...

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  20. How is copper metal extracted from its sulphide ore ?

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