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(a) What is the reaction which a taking ...


(a) What is the reaction which a taking place ?
(b) Give the function of acidified copper sulphate solution.
(c) Give a reaction in which acetylene gas is prepared by synthesis reaction.
(d) Compare the reaction of acetylene with bromine water and liquid bromine.
(e) What happens when acetylene is heated in copper tube at `600^@C` ?

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ICSE-SELF ASSESSMENT PAPER 1-SECTION-II
  1. What is meant by a group in the periodic table?

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  2. Within a group where would you expect to find the element with (A) ...

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  3. State whether the ionization potential decreases on going down a group...

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  4. How many elements are there in period 2?

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  5. Rewrite the following sentences by using the correct symbol gt (gre...

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  6. The electronegativity of iodine is that of chlorine. (gt//lt )

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  7. Give reasons why? Ionic compounds do not conduct electric current i...

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  8. Give reasons why? Electrolysis is an example of a redox reaction.

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  9. Give reasons why? For the preparation of hydrochloric acid, hydroge...

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  10. Give reasons why? Tap water is not used to prepare a solution of s...

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  11. Write the equation to explain the reaction taking place in the above d...

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  12. Give the function of acidified copper sulphate solution.

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  13. Give a reaction in which acetylene gas is prepared by synthesis reacti...

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  14. (a) What is the reaction which a taking place ? (b) Give the functio...

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  15. What happens when acetylene is heated in copper tube at 600^(@)C?

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  16. Define the term "Catenation”.

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  17. Conversion of ethene to ethane is an example of (hydration/hydrogenati...

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  18. The catalyst used for conversion of ethene to ethane is commonly (nic...

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  19. The product formed when ethene gas reacts with water in the presence o...

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  20. burns with a non-luminous flame. (butane/methane/acetylene).

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