Pure Substances and Mixtures

Front

Combination of two or more pure substances that are not chemically combined

Back

mixture

Front

A homogeneous mixture has the same composition of particles throughout.

Back

True

Front

This contains a variety elements and compounds that ARE NOT chemically combined.

Back

Mixture

Front

A homogeneous mixture has the same composition of particles throughout.

Back

True

Front

A ____________ mixture has different concentrations of particles throughout.

Back

Heterogeneous

Front

Water is

Back

a pure substance

Front

Ocean water is a __________ mixture

Back

Heterogeneous

Front

Alex goes into the garden and digs up a shovel full of dirt.  This is a _____________ mixture.

Back

Heterogenous

Front

A magnet was placed near a pile that contained both iron and sulfur. The magnet was moved gradually closer to the pile. As it neared the pile, the magnet started attracting small pieces of iron from the pile. Which of these statements best describes the contents of the pile?

Back

It is a heterogeneous mixture of iron and sulfur that can be separated by magnetism.

Front

Water is

Back

a pure substance