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 ...

Calcium plus hydrochloric acid gives us calcium chloride. And zinc plus sulphuric acid gives us zinc sulfate. And the salt that we put on our food is produced when sodium reacts with hydrochloric ...

Upon addition of hydrogen peroxide to Rochelle's salt (sodium potassium tartrate), the hydrogen peroxide decomposes and tartaric acid is oxidized. This reaction proceeds very slowly at room ...