(September 2013) I reacted lye (sodium hydroxide (NaOH) with aluminum foil in a flask full of water to produce flammable hydrogen gas. I then placed a large balloon over the head of the flask to collect the gas. After tying the balloon and setting it in the middle of our patio, I lit the end of a long bamboo pole and extended it toward the balloon. The balloon instantly exploded into a bright fireball and created a loud boom as the hydrogen bonded with the surrounding oxygen to make dihydrogen monoxide (H2O).
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