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How can acetaldehyde be prepared from ac...

How can acetaldehyde be prepared from actyl chloride and acetylene?

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MODERN PUBLICATION-TEST PAPER 10-EXERCISE
  1. [Fe(NH3)6]^(2+) and [Fe(H2O)6]^(2+) are of different colours in dilute...

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  2. What is difference between physisorption and chemisorption ?

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  3. What is Cannizzaro's reaction? Give equation.

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  4. What are hormones ?

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  5. Give important differences between lanthanides and actinides.

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  6. Explain, why phenol is acidic, while ethyl alcohol is neutral.

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  7. Which is more acidic between formic acid and acetic acid ? Explain.

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  8. How does acetaldehyde react with Phenyl hydrazine ?

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  9. Write the principle of preparation of Neoprene.

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  10. Explain the terms "Target molecules or drug targets" as used in medici...

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  11. Write notes on :

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  12. How can acetaldehyde be prepared from actyl chloride and acetylene?

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  13. How does formic acid react with Fehling solution and Tollen's reagent?

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  14. Give the principle of extraction of copper from one of its ore.

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  15. Why does copper not liberate H2 gas from dilute mineral acid ?

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  16. Describe the preparation of Ozone.

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  17. Discuss the important properties and uses of ozone.

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  18. What do you mean by depression in freezing point of a solution ? How w...

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  19. Prove that depression in freezing point is a colligative property.

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  20. Addition of 0.643 g of a compound to 50. mL of benzene .(density 0.879...

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