December 2018 1 8 Report
Rozwiaz .
I₂O₃-------> I₂ + O₃
b) Cr(OH)₃ -----> Cr₂O₃ + H₂O
c) SnO₂ + H₂S -----> SnS₂ + H₂O
d) Mg + CO₂ ------> MgO+ C
e)Na₂S ----> Na + S

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