K2O ( CI2, HCI, Na, SO3, K2SO4, H2O, NaOH)
CO2 ( H2O, KCI, H2, MgO, HCI, KOH, CO)
HCI ( Cu, BaO, H2O, Mg, CI2, CaCO3, SO2, NaOH)
NaOH ( S, SO3, H2O, FeCI3, NaCI, HNO3, CuO)
Na2O ( CI2, HCI, Na, SO3, K2SO4, H2O, NaOH)
SO2 ( H2O, KCI, H2, MgO, HCI, KOH, CO)
H2SO4 ( Cu, BaO, H2O, Mg, CI2, CaCO3, SO2, NaOH)
KOH ( S, SO3, H2O, FeCI3, NaCI, HNO3, CuO)
K2O ( CI2, HCI, Na, SO3, K2SO4, H2O, NaOH)
CO2 ( H2O, KCI, H2, MgO, HCI, KOH, CO)
HCI ( Cu, BaO, H2O, Mg, CI2, CaCO3, SO2, NaOH)
NaOH ( S, SO3, H2O, FeCI3, NaCI, HNO3, CuO)
K2O ( CI2, HCI, Na, SO3, K2SO4, H2O, NaOH)
CO2 ( H2O, KCI, H2, MgO, HCI, KOH, CO)
HCI ( Cu, BaO, H2O, Mg, CI2, CaCO3, SO2, NaOH)
NaOH ( S, SO3, H2O, FeCI3, NaCI, HNO3, CuO)