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Give reason : The blue colour of aqueo...

Give reason :
The blue colour of aqueous copper sulphate fades when it is electrolysed using platinum electrodes.

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ICSE-ELECTROLYSIS-Unit Test Paper 5 - Electrolysis
  1. Match the statements 1 to 5 with their answer selected form A to J ...

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  2. Complete the tabel given below .

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  3. Select the correct word from the words in bracket to complete the sen...

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  4. Select the correct word from the words in bracket to complete the sen...

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  5. Select the correct word from the words in bracket to complete the sen...

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  6. Select the correct word from the words in bracket to complete the sen...

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  7. Select the correct word from the words in bracket to complete the sen...

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  8. Give balanced equations for the electrode reactions involved in the ...

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  9. Select the correct answer from the list in bracket : The cation dis...

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  10. Select the correct answer from the list in bracket : The anion disc...

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  11. Select the correct answer from the list given in brackets : The me...

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  12. What will happen during the electrolysis of aqueous solution of CuSO(4...

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  13. Select the correct answer from the list given in brackets : The me...

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  14. Electrolysis of molten lead bromide is considered as redox reaction . ...

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  15. Give reasons for the following Lead bromide undergoes electrolytic d...

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  16. Give reason : The blue colour of aqueous copper sulphate fades when ...

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  17. Select the correct answer from the list given in brackets : When di...

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  18. Give reason : In the electrolysis of acidified water dilute sulphuri...

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