When ignited a mixture of Mercury(II) thiocyanate (Hg(SCN)2) and Ammonium chromate (NH4)2CrO4 looks like a flaming octopus crawling out of a volcano.

It's a fact of school life, long established, that some science experiments are cooler than others. Burning peanuts to establish calorie content? Boring. Exploding a mess of chemicals to create a ...

Samples of sewage containing sufficient potassium chromate to provide 1, ... but that nitrification of ammonium compounds did not occur to the same extent as in the control filter. ...