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Fill in the blanks : For reduction of me...

Fill in the blanks : For reduction of metal oxide to metal `Delta G` must be …………..

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SHARAM PUBLICATION-GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS-EXERCISE
  1. Minerals, from which metal can be extracted economically, are called …...

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  2. Fill in the blanks : The most abundant metal in the earth's crust is …...

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  3. Fill in the blanks : For reduction of metal oxide to metal Delta G mus...

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  4. Fill in the blanks : Cinnabar and Galena are the ores of ………… and …………...

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  5. Fill in the blanks : Copper matte contains ………… and ……………..

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  6. Fill in the blanks : Blister copper contains ………….. % of Cu

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  7. Fill in the blanks : Conversion of carbonate ore to metal oxides are d...

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  8. Fill in the blanks : In the metallurgical processes for the electro re...

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  9. Fill in the blanks : Impurities in the minerals are usually removed by...

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  10. Fill in the blanks : ………….. And ……………. Process can remove volatile imp...

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  11. Fill in the blanks : Acidic refractory material is ………….

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  12. Fill in the blanks : Name one ore which contains both iron and copper.

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  13. The ore that can be concentrated by magnetic separation method, are .....

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  14. Why is aluminium a good reducing agent ? Give examples.

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  15. How does SiO2 remove impurities of CaO in an ore ?

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

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  17. What is self-reduction in metallurgy? Give example.

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  18. What is the role of silica in the metallurgy of copper?

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  19. Give two requirements for vapour phase refining.

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  20. What is leaching ? Glve an example.

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