October 2018 2 34 Report

Chemia w gimnazjum zeszyt ćwiczeń 2 : Str. 23 zad. 22:

Uzupełnij równania reakcji.

A) .......CaO + ......HNO3=................+.................

B)........MgO + ......HCL=..............+...................

C).........Fe2O3 + ........H2SO4=.................+...................


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