What is reactivity series? Suggest an activity to arrange sodium, magnesium and copper in the order of their decreasing reactivity.
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Magnesium reacts slowly with cold water but rapidly with hot, boiling water, whereas copper does not react even with steam. This activity also shows that here sodium is the most reactive metal and copper is the least reactive metal. So, the order of their decreasing reactivity is : Sodium > Magnesium > Copper.
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Answer: Magnesium reacts slowly with cold water but rapidly with hot, boiling water, whereas copper does not react even with steam. This activity also shows that here sodium is the most reactive metal and copper is the least reactive metal. So, the order of their decreasing reactivity is : Sodium > Magnesium > Copper.
Explanation:
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