1.

Arrange the metals iron, magnesium, zinc and copper in the increasing order of their reactivity. What will be the two observations made by the student when iron filings are added to copper sulphate solution?

Answer»

According to the order of reactivity of METALS MAGNESIUM is the most reactive followed by zinic  then  iron then lastly copper. The STUDENT will observe that there will be no reaction when copper is added on sulphate solution SINCE copper does not react with sulphur according to the researches. it is ALSO believed that  pure copper can at times have some impurities and can have very little reaction. CMM



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