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How is pure alumina obtained from bauxit...

How is pure alumina obtained from bauxite by leaching process.

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OSWAAL PUBLICATION-Sample Paper 3-Exercise
  1. What are antacids? Give an example.

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  2. What are food preservatives ? Give an example .

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  3. How is pure alumina obtained from bauxite by leaching process.

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  4. Write the reactions that take place during the manufacture of nitric a...

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  5. (i) What happens when potassium chlorate is heated in presence of MnO(...

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  6. Write the structure of Sulphuric acid.

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  7. (i) How is chlorine prepared by using MnO(2)?

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  8. Complete the reaction:- NH3+Cl2 (excess) rarr

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  9. D-block elements form co-ordination compounds. Give reasons.

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  10. How is potassium dichromate prepared from chromite are ?

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  11. Mention the geometry, magnetic property and type of hybridization in [...

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  12. Write any three postulates of Werner's theory of complexes.

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  13. Calculate packing efficiency in BCC lattice.

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  14. Calculate the number of particles per unit cell in fcc.

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  15. The boiling point of benzene is 353.23 K. When 1.80 g of a non - volat...

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  16. Write two differences between ideal and non-ideal solution

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  17. Calculate the standard free energy change for the following reaction o...

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  18. What is primary battery?

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  19. Derive an integrated rate equation for the rate constant of a first-or...

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  20. What is pseudo first order reaction? Give an example.

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