Physical Science Ch. 2 Test

Which of these substances is not an element?

Tap water is?

When a homemade oil and vinegar salad dressing is left standing, it separates into layers. The salad dressing is a

Which of the following is not an example of a physical property?

which material is a poor conductor of heat?

A material that can be hit without shattering is?

At room teperature, a substance with a melting point of 40 degrees celsius is a

Which action involves a chemical change?

A substance that has little tendency to change into other substances is said to have low

Formation of a precipitate is usually evidence of