Save guides, add subjects and pick up where you left off with your BBC account. Thermal means heat. Decomposing is the process of breaking down. Thermal decomposition is a chemical reaction that ...

The reaction of zinc metal with iodine shows direct combination, decomposition, recrystallization of sublimed I2, and electrolysis.

Watch as common household ingredients create a fascinating chemical reaction that produces a growing "snake" of carbon. This experiment demonstrates decomposition reactions, gas formation, and the ...