For example, drain cleaners and oven cleaners ... Your stomach contains hydrochloric acid, and too much of this causes indigestion. Indigestion (or antacid) tablets contain alkalis such as ...

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 ...

As an example, the equilibrium of a weak acid can be represented ... Universal indicator is flammable and slightly toxic if ingested. Hydrochloric acid is corrosive and sodium hydroxide is an irritant ...