Acetylenechlorine reaction demo
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This kit comes with enough chemicals to perform each demonstration five to seven times. Can be performed in just 10–30 minutes. Requires only basic labware that you provide. Generate a reaction that produces acetylene gas bubbles by placing calcium carbide in a cylinder that already contains water. Then place a plastic tube from a chlorine gas generator in the cylinder. As the bubbles of acetylene and chlorine collide bright flashes of light are produced.