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Amongest the following, how many ores ar...

Amongest the following, how many ores are roasted to convert them into their corresponding metal oxides, alumina, zinc blende, iron pyrites, copper pyrites, galena.

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The correct Answer is:
`(4)`
Zinc blende `(ZnS)`, iron pyrites `(FeS_(2))`, copper pyrites `(CuFeS_(2))`, galena `(PbS)`.
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CENGAGE CHEMISTRY-GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS-Exercise (Integer)
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  2. Amongest the following , how many ores can be concentrated by froth fl...

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  3. Amongest the following, how many ores are roasted to convert them into...

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  4. How many of the following are oxide ores Calamine,cuprite,zinxite, c...

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  5. How many ores are sulphide ores from the given ores ? Azurite, chalc...

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  6. How many metals are commercially purified by Van Arkel method from the...

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  7. How many metals are commercially purified by electrolysis method from ...

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  8. Find the number of following reactions which are involved in roasting ...

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  9. Find the number of reaction from the given reaction which can show cal...

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  10. How many metallic ores are concentrated by magnetic separation method ...

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  11. Find the number of metal oxides which are decomposed on normal heating...

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  12. Find the number of basic flux from the given compounds : SiO(2), MgO...

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  13. Find the number of metals from the given metals which can be commercia...

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  14. How many metals are commercially extracted by pyrometallurgy from the ...

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  15. Find the number of acidic flux from the given compounds : CaCO(3), N...

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  16. How many reaction can show slag formation process from the given react...

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  17. How many metals are commercially extracted by electrometallury form th...

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  18. How many metals are commercially extracted by hydrometallurgy from the...

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  19. How many metals are commercially reduced by Goldschmidt's aluminotherm...

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  20. Find the number of metals which are commercially reduced by self-reduc...

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