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What is the role of silica in the metallurgy of copper from its pyrite ore ?

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USHA PUBLICATION-GENERL PRINCIPAL AND PROCESS OF ISOLATION OF ELEMENTS-EXERCISE
  1. What do you mean by autoreduction in metallurgy?

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  2. What is thermite welding ?

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  3. What is the role of silica in the metallurgy of copper from its pyrite...

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  4. What are the condition in which Al can reduce MgO and Mg car reduce AI...

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  5. Describe Mond process for refining of nickel

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  6. What is the role of depressant in froth flotation process ?

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  7. Out of CO and C, which is a better reducing agent at 400^@C ?

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  8. What is the role of lime stane in the extraction of iron ?

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  9. Out of 'C' and CO which is a better reducing agent for FeO ?

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  10. From a solution of copper sulphate, copper metal can be recovered by a...

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  11. Malachite is the ore of

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  12. Froth Floatation process is used for purification of ores of

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  13. In the Bessemerisation process copper metal obtained by the reaction

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  14. The iron obtained from the blast furnace is called as

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  15. Purest form of iron is called as

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  16. The reducing agent inside the blast furnace for extraction of iron is ...

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  17. Which of the following has lowest % carbon?

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  18. Copper is extracted from sulphide ore by using method.

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  19. Blister copper is

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  20. Which of the following metal can be extracted by hydrometallurgy ?

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