Separation of Matter

Question 1

Chemistry

Answer 1

the study of matter

Question 2

Substance

Answer 2

something that is made up of one kind of matter

Question 3

Matter

Answer 3

anything that has mass and takes up space

Question 4

Property

Answer 4

an observable characteristic of an item

Question 5

Physical Property Examples

Answer 5

Color, texture, lustre, solubility, temperature

Question 6

Chemical Properties

Answer 6

Flammable, corosiveness, reactive, toxic, combustible, ability to not react easily

Question 7

Intensive Property

Answer 7

does not depend on the amount of matter in a sampel

Question 8

Extensive Property

Answer 8

depends on how much matter a sample has

Question 9

Intensive Prop. Ex/

Answer 9

Temperature, boiling point, concentration, color, taste, smell

Question 10

Extensive Prop. Ex.

Answer 10

weight, length, volume, mass, weight

Question 11

Physical Change

Answer 11

matter changes form but not chemical identity

Question 12

Chemical Change

Answer 12

a chemical reaction forms new products

Question 13

Physical change examples

Answer 13

melting, shredding, boiling, chopping

Question 14

Chemical Change Examples

Answer 14

combustion, rotting, rusting, digestion

Question 15

Solid to Liquid

Answer 15

Melting

Question 16

Liquid to Gas

Answer 16

Vaporization

Question 17

Solid to Gas

Answer 17

Sublimation

Question 18

Gas to Solid

Answer 18

Deposition

Question 19

Liquid to Solid

Answer 19

Freezing

Question 20

Gas to Plasma

Answer 20

Ionization

Question 21

Plasma to Gas

Answer 21

Recombination

Question 22

Pure Substance

Answer 22

something that is made up of one kind of matter. Uniform composition

Question 23

Element

Answer 23

made up one type of atom, cannot be broken down anymore

Question 24

Compound

Answer 24

a chemical bond between two or more atoms

Question 25

Mixture

Answer 25

the physical combination of two or more substances which aren’t chemically combined

Question 26

Homogenous Mixture (Solution)

Answer 26

evenly distributed mixture, can’t distinguish components easily

Question 27

Heterogenous Mixture

Answer 27

does not appear to be the same throughout

Question 28

Colloid

Answer 28

a mixture which has tiny particles of one substance mixed evenly with another substance

Question 29

Suspension

Answer 29

a mixture that has large particles suspended in another medium

Question 30

Magnetic Separation

Answer 30

the process of separating mixtures of two solids, one of which has magnetic properties

Question 31

Filtration

Answer 31

separating a liquid from an insoluble solid

Question 32

Chromatography

Answer 32

a method used to separate the various colored substances in a mixture of dye or in

Question 33

Evaporation

Answer 33

separating homogenous mixtures containing one or more dissolved salts. Separates the liquid from the solid parts.

Question 34

Distillation

Answer 34

separate mixtures of two or more liquids.

Question 35

Chemical Reaction

Answer 35

one or more substances change into one or more new substances

Question 36

Chemical Equation

Answer 36

the written representation of chemical reaction

Question 37

Reactants

Answer 37

substances present at the start of the reaction

Question 38

Products

Answer 38

new substance produced after the reaction

Question 39

Precipitate

Answer 39

new substance produced after the reaction

Question 40

Catalyst

Answer 40

substance that speeds up the reaction

Question 41

Law of Conservation of Mass

Answer 41

the law states that in a physical or a chemical reaction, the mass does not change.