You are given sample of three metal sodium magnesium and copper suggest any two activities to arrange there in order of decreasing activity
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Answer: Materials : Metals And Non-Metals
Magnesium reacts with oxygen only on heating whereas copper reacts with oxygen on very strong heating. These reactions show that here sodium is the most reactive metal and copper is the least reactive metal. So, the decreasing order of reactivity is: Sodium > Magnesium > Copper.
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