October 2018 2 25 Report

w mioejsce kropek wpisac wzory chemiczne i dobrac współczynnik a) H_{2}S+..............................CaS+H_{2}O B) H_{2}SO_{4}+...............................Al_{2}(SO_4)3+H_2 C) Al_2O_3+....................................Al(NO_3)_3+H_2O d)Zn+...................................ZnCl_2 E)Zn+.................................ZnCl_2+H_2


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