Prelab for Chemical and Physical Changes and Properties SD
A metal is placed in 1 M HCl. Bubbles appear on the surface of the metal. What kind of change does this suggest?
Chemical
What kind of change occurred to the Statue of Liberty between 1886 and 1900?
Chemical
A solid is dissolved in a liquid and the solution is observed to get colder, with no other observable changes. What kind of change is most likely? The answer to this one is in the Chemical And Physical Changes and Properties Lab Video.
Physical
Two solutions are mixed and a solid appears as a fine suspension. What is the most likely change that occurred?
Chemical
A metal is placed in a solution and it is observed to change color from silver to black, along with the formation of a "crust" on the metal. What is the most likely change that occurred?
Chemical