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What is meant by a group in the periodic...

What is meant by a group in the periodic table?

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ICSE-SELF ASSESSMENT PAPER 1-SECTION-II
  1. Explain the bonding in methane molecule using electron dot structure.

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  2. Compare the compounds carbon tetrachloride and sodium chloride with r...

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  3. What is meant by a group in the periodic table?

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

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

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  6. How many elements are there in period 2?

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

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

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

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

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

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

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

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  14. Give the function of acidified copper sulphate solution.

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

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

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

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  18. Define the term "Catenation”.

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

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

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