不會 , 因熱水壺不夠熱 , 要著煤氣 , 要有火花(明火)才可ignite煤氣 , 當著後 , 此reaction產生合成氧化作用 . release energy to promote further chain reactions . The volume of the reacted matters increase serveral to hundreds or even thousand folds of its volume . Lot of energy released too . This creates extreme pressure bursting the obiect opened . Also the high temperature causes the object or nearby matters fire . This all happens in a split second that you cannot tell which comes first .