Salt water can be separated by evaporation. *
True
False
The substances in a mixture can be separated by ______ means. *
physical
chemical
The molecules in a mixture _____ all alike. *
are
are not
The substances in a mixture keep their own properties. *
True
False
A mixture of sand and water can be separated by filtering. *
True
False
Salt water is an example of a ______. *
compound
mixture
The substances in a mixture can be present in any amount. *
True
False
Two or more substances that have been combined but not chemically changed make up a ______, *
mixture
compound
Salt water contains molecules of salt and water. *
True
False
The amount of each substance present in a mixture _____change. *
can
cannot