Test - Unit 2 Matter

Question 1

4. When two or more substances are physically combined, the result is a(n) ___.

Answer 1

Mixture

Unit 2 Concept 1 Notes pg. 3

Question 2

37. Burning popcorn and making water.

Answer 2

Chemical Change

Unit 2 Concept 2 pg. 10

Question 3

58. A graduated cylinder has 33.5mL of water. A piece of metal is added to the water and the new volume is now 46.2mL. If the metal has a mass of 16.25g, what is its density?

Answer 3

Given: m=16.25g, 33.5mL, 46.2mL

Unit 2 Concept 2 Notes pg. 8

Question 4

59. Name one similarity between compounds and homogeneous mixtures and one difference.

Answer 4

Both are made with two or more components.
A compound is chemically combined while a homogeneous mixture is not.

Unit 2 Concept 1 Notes pg. 2,3