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2 KNO3 ↔ 2 KNO2 + O2
it is
Combustion
KI(aq) + AgNO3(aq) --> AgI(s) + KNO3(aq) is a double replacement reaction.
This is an oxidation reaction of N from -3 (in NH3) to +2 (in NO) oxidation value. 4 NH3 + 5 O2 --> 6 H2O + 4 NO
decomposition
2 KNO3 ↔ 2 KNO2 + O2
No, It is is a double replacement. AB +CD = AC + BD
It is a "double replacement" reaction between silver nitrate and potassium chloride, to yield silver chloride and potassium nitrate.AgNO3+ KCl → AgCl + KNO3
it is
Combustion
KI(aq) + AgNO3(aq) --> AgI(s) + KNO3(aq) is a double replacement reaction.
This is an oxidation reaction of N from -3 (in NH3) to +2 (in NO) oxidation value. 4 NH3 + 5 O2 --> 6 H2O + 4 NO
KNO3 and H2O are the products
The reaction is the following:AgNO3 + KI = KNO3 = AgI(s)
A precipitate
The chemical reaction is:KCl + AgNO3 = AgCl(s) + KNO3