Answer:
The magnesium reacts with the acid, producing visible bubbles of hydrogen gas. ... Magnesium ribbon is a flammable solid. Hydrochloric acid is a corrosive liquid. Hydrogen gas is explosive.
Summary: Magnesium, mossy zinc and copper foil are reacted with hydrochloric acid to produce hydrogen gas and a salt. The reaction rates are compared. Hazards: Hydrochloric acid is corrosive and toxic.
