Here’s a demonstration common in chemistry classes. Two chemicals, hydrochloric acid and ammonia, are placed next to each other. They don’t touch. But one suddenly starts smoking. What happened? This ...

Electrons can spur the chemical reaction between an acid and a base, according to new results in Science, a finding that may help researchers precisely control reactions in areas from biology to ...

A cotton swab is dipped into concentrated hydrochloric acid (producing hydrogen chloride gas) while a second on is dipped into concentrated aqueous ammonia (producing ammonia gas). Both cotton swabs ...

Bleach and Ammonia Products Mixing chlorine and ammonia makes a deadly chloramine gas. This combination creates one of the ...