September 2021 1 12 Report
Fe + ? --> Fe Cl3
O2 + Al --> ?
C2 H2 + O2 --> ?
Fe3 O4 + H2 --> ?
P + ? --> P2 O5
Fe + H2O --> ?
H2O + Al --> ?
? + H2O --> Ca (OH)2
N2 O3 + H2O --> ?
H2O + ? --> HCI + O2
(дати відповідь замість знаків питання)​
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