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(b) When water reacts with potassium metal the hydrogen produced ignites explosively on the surface of water. (ii) Write an equation to show how this ignition occurs. ​
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(b) When water reacts with potassium metal the hydrogen produced ignites explosively

on the surface of water.


(ii) Write an equation to show how this ignition occurs.
​

User Hsfzxjy
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2K(s) + 2H2O(l) → 2KOH(aq) + H2(g)

User Gasparuff
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