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An ore has impurities which are attracte...

An ore has impurities which are attracted by magnet suggest process for its benefication.

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Magnetic separation.
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CENGAGE CHEMISTRY-APPENDIX INORGANIC VOLUME 2-Short Answer Type
  1. When is electrolytic reduction applied for getting a metal?

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  2. What name is given to carbon reduction process for extracting the meta...

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  3. An ore has impurities which are attracted by magnet suggest process fo...

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  4. In moist air, copper corrodes to produce a green layer on the surface....

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  5. The value of triangle(f)G^(ɵ)(Cr2O3)=-540kJmol^-1 and triangle(f)G^(ɵ)...

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  6. What do you understand by roasting in presence of NaCl?

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  7. Why NF3 cannot be hydrolysed, while NCl3 can be readily hydrolysed?

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  8. Why NI5 does not exist While PCl5 exists?

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  9. Why the boiling point of ammonia is greater than phosphine?

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  10. Why NO is paramagnetic?

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  11. Give reason why elemental nitrogen exitsts as diatomic molecule wherea...

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  12. Why nitrogen gas is inert?

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  13. Why phosphorus is more reactive than nitrogen?

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  14. Why nitrogen does not form penthalides?

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  15. Why bismuth does not from pentahalides?

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  16. What type of hydridisation is involveed in the formation of pentahalid...

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  17. An element X belongs to group I or 2 or 15. Its oxide react with water...

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  18. A simole oxide of carbon and that another non-metal have the same Cp/C...

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  19. Which among the following is strongest reducing agent? BiH3,AsH3,PH3 a...

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  20. Which among N2O,P2O5,Sb2O and Bi2O5 is most unstable?

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