Chemical Properties of Metals and Non metals -3

1. What is reactivity series?
2. Name the most and least reactive metals in the reactivity series.
3. What happens when magnesium is put in copper sulphate solution? Give reasons for your answer.
4. Explain your observations when you put copper in a silver nitrate solution.
5. Will aluminium be displaced if it is kept in zinc sulphate solution?Why or why not?
6. More reactive metals cannot occur in free state in earth.Justify this statement.
7. Why is platinum available in native state ?

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