Ch. 17 - Classification of Matter (A)

The color of a substance is a physical property.

• True

• False

Colloids are mixtures.

• True

• False

The freezing of water is a chemical change.

• True

• False

A fruit salad is a homogeneous mixture.

• True

• False

Flammability is a physical property.

• True

• False

When a firecracker explodes, mass is lost.

• True

• False

If a mixture scatters light and does not settle upon standing, it is a suspension.

• True

• False

The breaking of a glass window is a physical change.

• True

• False

Using oxygen to separate molten copper sulfide into copper and sulfur dioxide is a physical change.

• True

• False

Three examples of a physical change are ___.

• boiling of water, bursting of a balloon, and crumpling of a piece of paper

• burning of gasoline, rotting of an egg, and exploding fireworks

• freezing of water, evaporation of gasoline, and rusting of a nail

• sawing of wood, crushing a can, and toasting a marshmallow