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The order of reactivity of some metais e...

The order of reactivity of some metais elements are given below.
Na gt Mg gt Zn gt Fe gt Ni gt H gt Cu
a) Which element looses a lustre most easily in exposure to air?
b) Which is the element that cannot displace Hydrogen from di. HCI?

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a) Na
b) Cu
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V PUBLICATION-REACTIVITY SERIES AND ELECTROCHEMISTRY-QUESTION BANK
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  2. The process of obtaining a coating of one metal over another metal usi...

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

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

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

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

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

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

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

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

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

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

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  13. Cut a small sodium metal plece into two watch it. a) What change oc...

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  14. a) What are the changes that can be observed with the iron rod and the...

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  15. 3: Observe the figure of the galvanic cell given below. a) Find A an...

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  16. Aqueous solution of sodium chloride is electrolyzed using platinum.ele...

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  17. Answer to the following questions after analysing the picture. (hint:...

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  18. a) What are the products obtained at anode and cathode during the elec...

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  19. Some galvanic cells are given below. a) Which among these behave only...

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  20. Take 25ml water in a beaker and pass electricity through it. The add l...

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