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Write one example for an ore separated b...

Write one example for an ore separated by leaching.

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V PUBLICATION-PRODUCTION OF METALS-QUESTION BANK
  1. From the following which chemical compound is contained in calamine . ...

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

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

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

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  5. Which reducing agent is used in Blast fumace?

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  6. Gangue + Flux gives .......

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

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  8. Write the difference between calcination and roasting .

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

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

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

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

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

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

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  15. Electricity and carbon monoxide (CO) and reducing agents used to extra...

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  16. Froth flotation process, hydraulic washing, magnetic separation, leach...

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  17. Complete the table. b) Why different methods are used for purifying t...

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  18. a) Name the ore of Iron? b) Which reduces lon from iron oxide in the...

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  19. a) Write the equation of the chemical reaction taking place at anode a...

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  20. Which of the properties of metals is utilized in the following Instanc...

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