Answers

2015-08-22T16:23:37+05:30
Pottassium
sodium
calcium
magnesium
aluminium
zinc
Iron
lead
hydrogen
0
2015-08-23T16:05:56+05:30
It is according to the reactive ability of the metals.Potassium is the first in the series so it means that it reacts more than the metals below it
0