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What is the role of limestone (CaCo3) in...

What is the role of limestone `(CaCo_3) in the extraction of iron?

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Names of some minerals are given below. .i) Haematite ii) bauxite iii) Dolomite a. Identify the mineral of Iron (Fe) b. Name the reducing agent mainly used in the extraction of iron from its ore. c. What is the role of powdered lime stone in the extraction process of iron?

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Assertion: If pure haematite is used as an ore for iron extraction, there is no need of roasting Reason: In the extraction of iron, final product in roasting is Fe_2O_3

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BODY BOOKS PUBLICATION-General Principles and Processes of Isolation of Elements-Example
  1. Carbonate ores are usually subjected to calcination, while sulphide or...

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  2. The process involved In metallurgy are concentration of the ore, isola...

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  3. What is the role of limestone (CaCo3) in the extraction of iron?

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  4. Monds process is used for refining of Ni and Van Arkel method is used ...

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  5. Sulphide ores are concentrated by froth floatation process. Write the ...

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  6. Explain the 'froth' floatation process'

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  7. The scientific and technological process used for isolation of the met...

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  8. The scientific and technological process used for Isolation of the met...

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  9. Give two examples for alloy

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  10. Some metallic compounds /ores are given below [ZnS, .Al2 O3 .2 H2 O,...

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  11. a. 'The ore mixed with coke and limestone is introduced into the blast...

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  12. Concentrated ore of iron, coke and limestone are fed into a blast furn...

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  13. Metals are extracted from their chief ore. Name the principal ore of A...

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  14. Write the equations for the reactions taking place at the anode and th...

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  15. How do calcination and roasting differ from each other? Give an exampl...

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  16. The concept of DeltaG^@ of coupled reaction are used explain reduction...

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  17. In the blast furnace for manufacturing iron, most of the reduction is ...

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  18. You are provided with samples of some impure metals such as titanium a...

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  19. You are provided with samples of some impure,metals such as Titanium a...

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  20. One of the steps in metallurgyis concentration of ores. Majority of th...

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