(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.
​

Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u.s. space shuttle. it reacts with itself to produce nitrogen gas n2 , chlorine gas cl2 , oxygen gas o2 , water h2o , and a great deal of energy. what mass of nitrogen gas is produced by the reaction of 2.1g of ammonium perchlorate?