Sort the sentences based on whether they describe the properties of a heterogeneous or a homogenous mixture.
its components are visible
.it may be mistaken for
a pure substance.
it can be separated using
distillation.
concrete is an example of
this kind of mixture.

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.