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You know that metals can be separated fr...

You know that metals can be separated from molten compounds of metals by electrolysis.
Find out how metals like Na, Ca and Mg are extracted

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Sodlum (Na): Sodium is extracted by electrolysing molten mixture of NaCl and `CaCl_2`
• Calcium (Ca): Calcium is extracted by electrolysing molten mixture of `CaCl_2` and `CaF_2`
Magnesium (Mg): Magnesium is extracted by electrolysing molten mixture of `MgCl_2` and MgO.
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V PUBLICATION-PRODUCTION OF METALS-QUESTION BANK
  1. Explain the process of producing alumina from bauxite.

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  2. Explain the method of obtaining pure aluminium from alumina by electro...

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  3. You know that metals can be separated from molten compounds of metals ...

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  4. The most abundant metal in the earth crust is:

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  5. An alloy of iron, chromium and nickel.

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  6. Find the relation and fill up suitably. Aluminium : Bauxite Iron:....

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  7. From the following which chemical compound is contained in calamine . ...

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  8. Some metals exist in free state because of its..........

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  9. Write one example for an ore separated by leaching.

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  10. Non-removable impurities during ore concentration is called......... ...

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  11. Which reducing agent is used in Blast fumace?

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  12. Gangue + Flux gives .......

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  13. Aluminium is used for making utensils due to its.......

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  14. Write the difference between calcination and roasting .

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  15. Analyse the flow chart given below and answer the following questions....

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  16. Write down the anode, cathode, and electrolyte used in electrolytic ce...

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  17. Clay, cryolite and Bauxite are the minerals of Aluminium. a) Which ...

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  18. Find the relation and fill up suitably. a) Zinc sulphide Roasting: C...

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  19. Analyse the given table and answer the following questions. a) Write...

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  20. Bauxite (AL2 O3, 2H2 O) and clay (Al2 O3 2SiO2 2H2 O) are two natural...

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