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 ...

Researchers present a solution to the challenging problem of recycling poly-cotton textile waste. The process starts with fully removing all cotton from the fabric using superconcentrated hydrochloric ...

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 ...