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Copper can be extracted from...

Copper can be extracted from

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Copper can be extracted by hydrometallurgy but not zinc. Explain.

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MODERN PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE
  1. Fill in the blanks- alloy is made up of 14% of manganese and 85% of ir...

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  2. Sulphide ores are concentrated by froth floatation process.

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  3. Copper can be extracted from

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  4. Choose the correct alternative : Pine oil is added in froth floatation...

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  5. Bell metal alloy is the mixture of-

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  6. Give appropriate answer of the given statement- Which alloy is made up...

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  7. Which is better reducing agent at temperature 983 K, C or Co?

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  8. Give appropriate answer for the following question- Solder is a mixtur...

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  9. Substances which convert infusible impurities Present in ores into fus...

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  10. In the electrorefining of copper,some gold is deposited as:

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  11. Collect the melting point of Ice

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  12. Calcination is the process of converting an ore into its oxide by heat...

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  13. Haematite is Fe2O3 / Fe3O4.

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  14. What is a mineral ? How does it differ from an ore ?

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  15. State and explain the terms flux and slag.

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  16. Give the formula of the ores : haematite and bauxite.

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  17. Important ore of zinc is

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  18. Give two ores of aluminium.

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  19. What is meant by native metal ? Name two metals which occur in native...

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  20. What is a depressant ? Give one example.

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