Practice test unit 2 (not Finished Yet

Question 1

A way to separate mixtures based on the boiling points of different substances is called

Answer 1

Distillation

Question 2

_______ Describes matter that can be stretched into a thin wire

Answer 2

Ductility

Question 3

________ Describes matter that can be pounded into a thin

Answer 3

Malleability

Question 4

______ Describes matter that can transfer of heat from one substance to another

Answer 4

Thermal-conductivity

Question 5

a(n) _________ Is a substance that is made from atoms of different elements

Answer 5

Compound

Question 6

A(n) ________ Is the combination of two or more substances that are not chemically bound to one another

Answer 6

Mixture

Question 7

Sublimation, Melting and vaporization are phase changes that are________

Answer 7

Endothermic

Question 8

Freezing, condensation and deposition are phase changes that are _________

Answer 8

Exoththemic

Question 9

A process in which a gas changes into a liquid is ___________
(Sublimation/Deposition/condensation/vaporization/melting/freezing) 

Answer 9

Condensation

Question 10

The process in which a liquid changes into a solid is _________
(sublimation/Depositions/condensation/vaporization/melting/freezing)

Answer 10

Freezing

Question 11

A process in which a solid changes into a liquid is ________
(Sublimation/Deposition/condensation/vaporization/melting/ freezing)

Answer 11

Melting

Question 12

A process in which a solid changes directly into a gas is __________
(Sublimation/deposition/condensation/vaporization/melting/freezing)

Answer 12

Sublimation

Question 13

A process in which a liquid changes into a gas is _________

Answer 13

Vaporization

Question 14

A process in which a gas changes directly into a solid is ________

Answer 14

Deposition

Question 15

 Which separation Method would you use to remove sugar from sweet tea (Filtration/chromatography/ distillation/ crystallization)

Answer 15

Distillation

Question 16

Water exist on earth naturally as a solid or liquid, and a gas. is a state of water, a chemical or physical property

Answer 16

Physical

Question 17

water exists on earth naturally as a solid, a liquid and a gas. Is the state of water a chemical or physical property?

Answer 17

Physical

Question 18

If the temperature of a gas is increased by 2x What will happen to the volume?

Answer 18

It will increase by 2X

Question 19

If the pressure of a gas is increased by 2x, what will happen to the volume 

Answer 19

It will decrease by 2x

Question 20

How do you resists flowing more than water as honey has a higher _______ than water

Answer 20

Viscosity

Question 21

A substances temperature ______ During a phase change 

Answer 21

Doesn’t change 

Question 22

A ______ is a special mixture that contains large particles, but not large enough to settle at the bottom

Answer 22

Colloid

Question 23

A mixture that is non-uniform in composition is called

Answer 23

Heterogeneous

Question 24

A mixture that is uniform in composition is called ______

Answer 24

Homogeneous

Question 25

______ Is a heterogeneous mixture where visible particle settle

Answer 25

Suspension

Question 26

A(n) _____ Is two or more atoms that are chemically join together

Answer 26

Molecule

Question 27

a(n) _______ Is the smallest unit of an element that retains the properties of that element

Answer 27

Atom

Question 28

A(n) _____ Is a substance that is unable to break down or separate into smaller substances by chemical method

Answer 28

Element

Question 29

What is buoyancy?

Answer 29

A property that refers to the resistance to flow by a fluid

Question 30

What is pressure?

Answer 30

The force that is exerted per unit area

Question 31

What is a graduated cylinder?

Answer 31

A tool used to accurately measure volume of a liquid

Question 32

What is an electric mass balance?

Answer 32

A tool used to find the mass of a small amount of substance

Question 33

What is a solid?

Answer 33

A state of matter, in which particles are packed tightly together, and have a definite shape and volume

Question 34

What is a liquid?

Answer 34

A state in matter, in which particles are held loosely together, and it does not have a definite shape, but has a definite volume

Question 35

What is a gas?

Answer 35

A state of matter in which particles are not held together, and it does not have a definite shape or volume

Question 36

What is viscosity?

Answer 36

A property that refers to the resistance to flow by a fluid

Question 37

What is extensive?

Answer 37

A physical property that depends on the amount of matter that is measured

Question 38

What is intensive?

Answer 38

A physical property that does not depend upon the amount of matter that is presented in the sample 

Question 39

What is Mass?

Answer 39

The amount of matter that an object is made of

Question 40

What is weight?

Answer 40

Immeasurable value that is determined from the amount of gravitational force exerted on a given object