In physical science lab, Ben and Jerry added small pieces of magnesium to hydrochloric acid. They noticed that bubbles formed, the test tube got hot, and the magnesium disappeared. What is a sign that a chemical reaction has taken place in this experiment?
Answers
Answered by
3
ANSWER...
Mg + 2HCl ---> MgCl2+H2.
THE GAS SEEN ARE OF HYDROGEN. MAGNESIUM MELTS AND FORMS MAGNESIUM CHLORIDE AND A COLOURLESS SOLUTION IS FORMES WHICH SHOWS THAT REACTION HAD BEEN COMPLETED.
HOPE IT HELPS
Mg + 2HCl ---> MgCl2+H2.
THE GAS SEEN ARE OF HYDROGEN. MAGNESIUM MELTS AND FORMS MAGNESIUM CHLORIDE AND A COLOURLESS SOLUTION IS FORMES WHICH SHOWS THAT REACTION HAD BEEN COMPLETED.
HOPE IT HELPS
Similar questions