Chemistry 11

Question 1

Anything that has Mass and occupies space

Answer 1

Matter

Question 2

A property that can be found without creating a new substance

Answer 2

Physical Property

Question 3

The ability of a substance to undergo chemical reactions and change into a new substance

Answer 3

Chemical Property

Question 4

A physical property which depends solely on the nature of a substance and not how much of a substance is present

Answer 4

Intensive Property

Question 5

A physical property which depends on the amount of substance present

Answer 5

Extensive property

Question 6

The temperature at which solids change into a liquid phase

Answer 6

Melting point

Question 7

The temperature at at which a liquid turns into a gas

Answer 7

Boiling point

Question 8

The ability of a solid to resist abrasion or scratching

Answer 8

Hardness

Question 9

The ability of a substance to be rolled or hammered into thin sheets

Answer 9

Malleability

Question 10

The ability of a substance to be stretched or drawn into wires

Answer 10

Ductility

Question 11

The manner in which a solid reflects light

Answer 11

Lustre

Question 12

The resistance of a liquid to flow

Answer 12

Viscosity

Question 13

The mass contained in a given volume of a substance

Answer 13

Density

Question 14

The intermingling of fluids as a result of motion within the fluids

Answer 14

Diffusion

Question 15

The gaseous material formed by the evaporation of a substance that boils above room temperature

Answer 15

Vapour/Vapour Pressure

Question 16

A general term used to describe small bits of matter such as atom, ion or molecule

Answer 16

A particle

Question 17

A solution in which the solvent is water

Answer 17

Aqueous

Question 18

A substance which cannot be broken down into simpler substances as a result of chemical process

Answer 18

An Element

Question 19

The smallest possible unit of an element which retains the fundamental properties of the element

Answer 19

An atom

Question 20

A pure substance made of 2 or more types of atoms

Answer 20

A compound

Question 21

A cluster of 2 or more atoms, held together by strong electric forces

Answer 21

Molecule

Question 22

A substance with only 1 phase

Answer 22

Homogeneous

Question 23

A substance with more than 1 phase; parts can be visibly seen

Answer 23

Heterogeneous

Question 24

A substance that is homogeneous and has an unchangeable composition

Answer 24

A Pure Substance

Question 25

A system made up of 2 or more substances, such that the relative amounts of each substance can be varied

Answer 25

Mixture

Question 26

A homogeneous mixture of 2 or more substances

Answer 26

Solution

Question 27

The component in a solution which is of greater quantity

Answer 27

Solvent

Question 28

The component in a solution which is of lesser quantity

Answer 28

Solute

Question 29

A metal made by combining 2 or more metallic elements, especially to give greater resistance to carbon

Answer 29

Alloy

Question 30

Fine particles of solids “suspended” in a liquid or gas

Answer 30

Suspension

Question 31

A heterogeneous mixture of 2 or more substances

Answer 31

Mechanical mixture

Question 32

Separates parts by “picking apart” or by using a magnet

Answer 32

Hand separation

Question 33

Separates by pulling denser particles to the bottom of the mixture

Answer 33

Settling or Centrifugation

Question 34

Separates solids from liquids or gases based on the size of the particles, leaves a residue and a filtrate

Answer 34

Filtration

Question 35

Using a liquid to dissolve one of the solids in a mixture, while leaving the other undissolved

Answer 35

Extraction- Removing a dissolved liquid or solid from a liquid solution

Question 36

Boiling a solution to create a distillate and a residue

Answer 36

Distillation

Question 37

Separates substances using a mobile phase and a stationary phase

Answer 37

Chromatography/ paper chromatography

Question 38

Purifies solids by slowly cooling down solids dissolved in a minimum amount of liquid

Answer 38

Recrystallization

Question 39

Separates compounds by breaking molecular bonds

Answer 39

Electrolysis

Question 40

Separates a dissolved solid by removing the liquid and leaving behind the solute

Answer 40

Extraction- removing a solid from a mechanical mixture of solids

Question 41

Non-numerical properties

Answer 41

Qualitative

Question 42

Numerical properties

Answer 42

Quantitative

Question 43

Information collected through our 5 senses

Answer 43

Observation

Question 44

An attempt to put meaning into an observation

Answer 44

Interpretation

Question 45

A single, unproven assumption or idea; may be accepted or refuted with testing

Answer 45

Hypothesis

Question 46

A set of hypothesies that explains a large number of observation

Answer 46

Theory

Question 47

A statement that describes/ summarizes a large amount of evidence; laws are theories that haven’t been proven wrong (yet)

Answer 47

Law

Question 48

Two liquids that are mutually soluble in each other in all proportions

Answer 48

Miscible

Question 49

Two liquids that don’t mix together; form 2 phases

Answer 49

Immiscible