Answer
a) White solid and the density are physical properties of the calcium carbonate; gaseous is a physical property of the carbon dioxide. The reaction with acid is a chemical property.
b) Gray, powdered and metal are physical property of zinc, purple is a physical property of iodine, and white is a physical property of the reaction product. The reaction between zinc and iodine is a chemical property of both.
Work Step by Step
Color, physical appearance (powdered, metal), density, and state of matter are physical properties.
Reaction relatated information are chemical properties.
