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When metals react with water...... gas i...

When metals react with water...... gas is produced.

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V PUBLICATION-REACTIVITY SERIES AND ELECTROCHEMISTRY-QUESTION BANK
  1. How many Galvanic cells can be made by using the metals Ag, Cu, Zn and...

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  2. Fill in the blanks. In Zn-Cu cell Anode:...... Cathode:.........

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  3. When metals react with water...... gas is produced.

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  4. Find the relation and fill up suitably. Iron react with air to form:...

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  5. Which is the positive electrode in elctrolysis.

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  6. Which is the energy. change in galvanic cell?

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  7. Which product is obtain in the cathode during the electrolysis of NaCl...

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  8. When a Zn rod is dipped in CuSO4, the colour of the solution......

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  9. Write an example for electroplating.

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  10. The process of obtaining a coating of one metal over another metal usi...

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  11. The order of reactivity of some metais elements are given below. Na ...

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  12. Give reason for the following. a) Iron vessels are not used as boile...

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  13. Which metal amongcopper, aluminium and goldlooseits metalic luster at ...

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  14. Sodium chloride solution is electrolysed using platinum electrodes. ...

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  15. a) Which type of metal among the given metals is highly reactive with ...

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  16. a) Which type of energy change is occuring in an electrolytic cell? ...

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  17. A freshly cut piece of sodium when exposed to air for some time looses...

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  18. The reactivity series of a few metals are given below. Mg gt Zn gt Fe...

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  19. An experimental set up is made to compare the reactions of Mg, Zn and ...

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  20. The equation of reaction with CuSO4 solution and iron nail is given be...

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