Question

11. A student compared some chemical and physical properties of tree pure substances. Her data are recorded in the chart below. What is a logical conclusion the student can draw about pure substances?

A. Pure substances have the same chemical and physical properties.
B. Pure substances have the same chemical properties, but different physical properties.
C. Pure substances have the different chemical properties, but the same physical properties.
D. Pure substances have different chemical and physical properties.

Answer 1

well what was it