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What is froth floatation process ? Name ...

What is froth floatation process ? Name the ores which are concentrated by froth floatation process . What is meant by a depressant ?

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Sulphide ores are concentrated by froth floatation process.

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Froth floatation process is used for the concentration of ……………..ores.

MODERN PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE
  1. Copper is extracted from copper pyrites by roasting the ore partially ...

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  2. Why the graphite rods in the extraction of aluminium from molten Al2O3...

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  3. What is froth floatation process ? Name the ores which are concentrate...

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  4. Monel metal is an alloy which is made of mixture of,,.

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  5. The reducing agent used in thermite process is

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  6. Name and write the chemical formulae Of the three oxide ores of iron.

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  7. Explain the following : Why is zinc and not copper used for the recove...

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  8. Define calcination.

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  9. Ilmenite is an ore of

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  10. Barytes is an ore of barium. True or False

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  11. Describe the method of refining of nickel.

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  12. State the role of silica in the metallurgy of copper.

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  13. Write the name of purest form of iron.

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  14. Why are sulphide ores converted to oxide before reduction ?

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  15. What is malachite? Write down its formula.

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  16. Fill in the blanks- metal alloy is used in marine engineering.

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  17. How is zinc obtained from zinc blende? Give Chemical reactions.

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  18. Fill in the blanks- is the ore from which aluminium metal is extracte...

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  19. How is Ni purified by Mond’s process?

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  20. Outline the principle of refining of metals by electrolytic refining.

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