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When potassium nitrate is heated it decomposes to form potassium nitrite and oxygen.write a balanced equation and add the state symbols.



The chemical reaction is a decomposition reaction. The balanced reaction is ----
  2 KNO3 --> 2KNO2 & O2 

0 0 0
2 KNO3 -----> 2KNO2 + O2

it is an decomposition reaction 
0 0 0
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