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State one appropriate observation for ea...

State one appropriate observation for each of the following: Electricity is passed through molten lead bromide.

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ICSE-ELECTROLYSIS-QUESTIONS FROM PREVIOUS ICSE BOARD PAPERS
  1. Select the correct answer from the list given in brackets : When di...

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  2. Select the correct answer from the list given in brackets : During ...

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  3. State one appropriate observation for each of the following: Electrici...

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  4. Which of these will act as a non-electrolyte?

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  5. Copper sulphate solution is electrolysed using copper electrodes. Stud...

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  6. Copper sulphate solution is electrolysed using copper electrodes. Stud...

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  7. Copper sulphate solution is electrolysed using copper electrodes. Stud...

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  8. When fused lead bromide is electrolysed we observe: [A]a silver grey d...

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  9. The electrolyte used for electroplating an article with silver is :

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  10. Give one word or phrase for the following: Formation of ions from m...

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  11. Give one word or phrase for the following: Electrolytic deposition ...

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  12. State your observation in each of the following cases: At the cathode ...

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  13. Which electrode : anode or cathode is the oxidising electrode ? Why?

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  14. State one relevant observation for each of the following: At the Anode...

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  15. Give appropriate scientific reasons for the following statements : ...

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  16. Give appropriate scientific reasons for the following statements : ...

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  17. Differentiate between the terms strong electrolyte and weak electrolyt...

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  18. Complete the following table :

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  19. Write the equation of the reactions which take place at the cathode an...

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  20. The particles present in strong electrolytes are : (a) only molec...

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