Classification of Matter #2

Question 1

What is a physically distinctive form of a substance such as solid, liquid, or gaseous states of matter?

Answer 1

Phase

Question 2

What term describes a substance that appears to have only one type of matter present?

Answer 2

Homogeneous

Question 3

What term describes a substance that appears to have more than one type of matter?

Answer 3

Heterogeneous

Question 4

What is the substance that does the dissolving in a solution?

Answer 4

Solvent

Question 5

What is the substance that is dissolved in a solution?

Answer 5

Solute

Question 6

What effect is observed when a beam of light is made visible by particles?

Answer 6

Tyndall Effect

Question 7

What are substances made of only one type of matter throughout called?

Answer 7

Pure Substances

Question 8

What is a substance made by combining two or more different materials with no chemical reaction occurring?

Answer 8

Mixtures (impure substances)

Question 9

What is a substance composed of identical atoms?

Answer 9

Elements

Question 10

What is a substance composed of identical molecules?

Answer 10

Compounds

Question 11

What is a homogeneous mixture of two or more substances where one or more solutes are dissolved in a solvent?

Answer 11

Solutions

Question 12

What is a heterogeneous mixture of two or more substances with distinct phases visible?

Answer 12

Mechanical Mixtures

Question 13

What type of mechanical mixture consists of two or more solid substances?

Answer 13

Ordinary mechanical mixtures

Question 14

What type of mechanical mixture can settle over time and shows the Tyndall effect?

Answer 14

Suspension

Question 15

What type of mechanical mixture consists of two or more liquids and shows the Tyndall effect?

Answer 15

Emulsions

Question 16

What type of mixture is partway between a solution and a suspension, slightly cloudy, and shows the Tyndall effect?

Answer 16

Colloid/Colloidal Dispersions

Question 17

Fill in the blank: A solution has _______ composition and appears to have only one type of matter present.

Answer 17

uniform

Question 18

True or False: All mechanical mixtures will show the Tyndall effect.

Answer 18

True

Question 19

What is an example of a pure substance?

Answer 19

Iron, sugar

Question 20

What is an example of a solution?

Answer 20

Tea, Coke

Question 21

What is an example of a suspension?

Answer 21

Sand in water, clay in water

Question 22

What is an example of an emulsion?

Answer 22

Oil and water, vinegar and water

Question 23

What is an example of a colloid?

Answer 23

Gelatin in water