Chemistry First Trimester part II

The magnetization of an iron rod is an example of a chemical change.

• True

• False

Matter that has a uniform and unchanging composition is called a pure substance.

• True

• False

Solids can be recognized because they are hard and rigid.

• True

• False

Natural orange juice is a heterogeneous mixture

• True

• False

Earth attracts all objects to its surface due to gravity. This is a hypothesis.

• True

• False

Chemistry is the study of matter and the changes it goes through.

• True

• False

Qualitative measurements involve numerical measurements while quantitative measurements record descriptions.

• True

• False

Mixtures can be separated by a series of physical changes

• True

• False

A control is the part of the experiment that the other results will be compared to

• True

• False

Milk is a homogeneous mixture

• True

• False