module 2

Question 1

made of particles that gives it mass and volume

Answer 1

matter

Question 2

change in temperature or pressure can physically transform a substance

Answer 2

phase transition

Question 3

can be measure and observed without changing the material’s chemical composition

Answer 3

physical property

Question 4

describe a material’s ability to possibly undergo chemical change

Answer 4

chemical property

Question 5

do not depend on the amount of substance

Answer 5

intensive properties

Question 6

do depend on the amount of substance

Answer 6

extensive properties

Question 7

cannot be broken down through physical means

Answer 7

pure substance

Question 8

if a pure substance can be broken into simpler forms

Answer 8

compound

Question 9

if a pure substance cannot be broken into simpler forms

Answer 9

element

Question 10

two or more elements combine to form a compound

Answer 10

law of constant composition or definite proportion

Question 11

a mixture which only one phase is visibly seen

Answer 11

homogenous mixture

Question 12

has at least two different phases of matter or visible components

Answer 12

heterogenous mixture

Question 13

means indivisible particle ,is the basic unit of an element

Answer 13

atom

Question 14

when elements chemically combine in a fixed proportion, you call the product a

Answer 14

compound

Question 15

fixed proportions of a compound are generally represented by a

Answer 15

chemical formula

Question 16

one phase mixture

Answer 16

solution

Question 17

is the one being dissolved

Answer 17

solute

Question 18

dissolving medium

Answer 18

solvent

Question 19

contains the maximum amount of solute that a given quantity of a solvent can dissolve

Answer 19

saturated solution

Question 20

having a lesser amount of solute than what the given quantity of solvent can dissolve

Answer 20

unsaturated solution

Question 21

containing solute that is more than what the given solute can dissolve is classified

Answer 21

supersaturated solution

Question 22

two immiscible liquids are used

Answer 22

liquid-liquid extraction

Question 23

employed to bring the soluble components of a solid example into the liquid phase

Answer 23

soxhlet extraction

Question 24

used in collecting a pure liquid from a mixture of liquids

Answer 24

distillation

Question 25

separatory technique where each component or solute is isolated

Answer 25

chromatography

Question 26

ratio of the distance traveled by the solute in the stationary phase

Answer 26

retention factor

Question 27

separating a liquid from a solid

Answer 27

decantation

Question 28

separate finely divided solid from a liquid

Answer 28

filtration

Question 29

dissolved salt may be separated from the liquid by boiling off the liquid

Answer 29

evaporation

Question 30

substance accumulates on the surface of a solid adsorbent

Answer 30

adsorption

Question 31

gradient-by-density technique

Answer 31

centrifugation