Answers

2015-09-01T15:57:34+05:30
Series in which metal are kept according to their reactivity is known as reactivity series. NA K Ca Mg Al Zn Fe Sn Pb
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2015-09-04T22:37:42+05:30
Na, K, Ca, Mg, Al, Zn, Fe, Sn, Pb.
2 3 2