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 ...

Another common etchant is ammonium or sodium persulphate ... with the hydrochloric acid and peroxide. He also used the same materials (along with some others) to make ferric chloride successfully.

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 ...