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Deficiency of which vitamin cause the di...

Deficiency of which vitamin cause the disease "Rickets".

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OSWAAL PUBLICATION-Solved Paper 4 -exercise
  1. Name the following reaction: H3C-Br+AgFrarrH3C-F+AgBr.

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  2. Ethanal(CH3CHO) undergoes aldol condensation reaction.Give reason.

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  3. Deficiency of which vitamin cause the disease "Rickets".

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  4. What is Frenkel defect ? How does it affect density of the solid ?

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  5. Draw a neat labelled diagram of H(2)-O(2) fuel cell. Write the reactio...

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  6. A first order reaction is found to have a rate constant K=5.5xx10^(-14...

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  7. Give reasons: Cerium (Ce) exhibits +4 oxidation state.

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  8. Give reason: Actinoid contraction is greater from element to element t...

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  9. How anisole reacts with bromine in ethanoic acid? write the chemical e...

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  10. Explain the preparation of carboxylic acids from Grignard reagent . Gi...

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  11. Given an example each for (a) Artificial sweetening agents (b) Narco...

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  12. What are analgesics? Give an example for narcotic analgesics.

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  13. What are cationic detergents? Give an example.

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  14. Explain the process of obtaining "blister copper" from "copper matte" ...

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  15. Write the equations involved in the manufacture of nitric acid by Ostw...

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  16. (a) How is ozonised oxygen prepared in the laboratory? Give equation. ...

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  17. (a) How is ozonised oxygen prepared in the laboratory? Give equation. ...

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  18. Complete the following equation: 2NaOH+Cl2rarrNaCl+…+H2O

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  19. Complete the following equation: Na2SO3+2HCLrarr2NaCl+H2O

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  20. Complete the following equations: Cl(2)+3F(2)overset(573K)rarr…….

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