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Question
What happens when potassium nitrate is heated ?
Solution
\[\ce{\underset{\text{white crystalline solid}}{Potassium nitrate}->[heating] \underset{\text{molten form}}{Potassium nitrate} + Oxygen(g)}\]
\[\ce{2KNO3 ->[heating] 2KNO3 + O2(g)}\]
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