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Give reason why? The blue colour of th...

Give reason why?
The blue colour of the Copper sulphate solution persists even during its electrolysis using copper electrodes.

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ICSE-SELF ASSESSMENT PAPER 2 -SECTION-II
  1. Here is an electrode reactin : Cu to Cu^(2+)+2e At which electro...

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  2. A solution contains magnesium ions (Mg^(2+)) ,iron (II) ions (Fe^(2+))...

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  3. Give reason why? The blue colour of the Copper sulphate solution per...

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  4. Give reason why? It is dangerous to dilute the acid by adding water ...

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  5. Give reasons why? Alkali metals are good reducing agent.

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  6. Give reason why? Sugar solutions do not conduct electricity.

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  7. Give reason why? Conc. H(2)SO(4) is not a drying agent for H(2)S?

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  8. Give a balanced chemical equations for the action of sulphuric acid on...

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  9. Give two industrial uses of sulphuric acid.

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  10. What happens when conc. sulphuric acid is added to a lump of blue Vitr...

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  11. Explain why only all glass apparatus should be used for the preparatio...

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  12. Write a chemical equation to illustrate the acidic nature of nitric ac...

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  13. Equation for the reaction when compound A is bubbled through bromine d...

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  14. Equation for the reaction when compound A is bubbled through bromine d...

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  15. Equation for the reaction when compound A is bubbled through bromine d...

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  16. State how the following conversions can be carried out: Ethyl chlor...

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  17. State how the following conversions can be carried out: Ethyl alcoh...

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  18. Ethane and ethene are both hydrocarbons. Ethane undergoes (i) reaction...

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  19. Write the IUPAC names of the following: CH(3)-CH(2)-CH=CH(2)

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  20. Write the IUPAC names of the following: CH(3)-CH(2)-CH(2)-overset(CH...

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