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Discuss the principle of extraction of a...

Discuss the principle of extraction of aluminium from one of its chief ore.

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Main ore of aluminium is :

USHA PUBLICATION-D- AND F_BLOCK ELEMENT & CO-ORDINATION COMPOUND -EXERCISE
  1. Explain the difference between weak field ligand and strong field liga...

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  2. Write two important ores of aluminium.

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  3. Discuss the principle of extraction of aluminium from one of its chief...

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  4. Write two important ores of iron.

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  5. Give the principle of extraction of iron from one of its ore.

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  6. The correct order of bond dissociation energy of halogens is .

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  7. In which reaction ozone acts as reductant ?

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  8. Oxygen and Ozone are .

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  9. The shape and hybridisation of XeF4 is

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  10. The number of P-O-P bonds in phosphorous pentoxide (P4O10) are

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  11. Which noble gas is called as stranger gas?

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  12. P4 molecule has tetrahedral structure. The anglep-p-p bond angle is

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  13. Write the product formed when ammonia reacts with excess of chlorine.

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  14. What is composition of Oleum ?

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  15. The inert gas used in beacon lights is

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  16. Name the catalyst used in the contact process of manufacture of H2SO4

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  17. The most abundant noble gas present in the atmosphere is .

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  18. Sodium chloride on heating with H2SO4 in presence of MnO2 produce gas...

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  19. What is the bond angle in SO2 molecule ?

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  20. Arrange the halogen acids in increasing order of their acidic strength...

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