1.4A1 + 30, —>__A1,03 I 2. NH3 + _02 —> 2NO + _HO 3._FeS + __O_ —> __Fe,0, + 480, 4.6KOH + _H3PO K3PO4 + _H2O 5. __Ba,


1.4A1 + 30, —>__A1,03
I
2. NH3 + _02 —> 2NO +
_HO
3._FeS + __O_ —> __Fe,0, + 480,
4.6KOH +
_H3PO
K3PO4 + _H2O
5. __Ba, N, + 12HF –
BaF, +
_NH3


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