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Unit 5 and 6 Review

Total questions: 78

Worksheet time: 59mins

Name
Class
Date
1.

Which type of matter is a compound?

a)

Pure Substance

b)

Mixture

2.

Which type of matter cannot be broken down, decomposed, or separated by physical or chemical means?

a)

Element

b)

Compound

c)

Mixture

3.

Which type of matter can be separated by physical means?

a)

Element

b)

Compound

c)

Mixture

4.

Which type of matter can be separated by chemical means?

a)

Element

b)

Compound

c)

Mixture

5.

Which type of matter contains 2 or more elements chemically combined in a fixed proportion?

a)

Element

b)

Compound

c)

Mixture

6.

Which type of matter contains physically combined substances that has proportions that can vary?

a)

Element

b)

Compound

c)

Mixture

7.

Which type of matter is an element?

a)

Pure Substance

b)

Mixture

8.

When reactants are chemically combined to create a product, the product's properties:

a)

are the same as the reactant's properties

b)

are different from the reactant's properties

9.

Which type of matter is an aqueous solution?

a)

Element

b)

Compound

c)

Mixture

10.

Which type of mixture has an even distribution of particles? (You cannot see the different parts)

a)

Heterogeneous Mixture

b)

Homogeneous Mixture

11.

Which type of mixture is an aqueous solution?

a)

Heterogeneous Mixture

b)

Homogeneous Mixture

12.

Which type of mixture doesn't have an even distribution of particles? (You cannot see the different parts)

a)

Heterogeneous Mixture

b)

Homogeneous Mixture

13.

Which type of matter is this:

Na

a)

Element

b)

Compound

c)

Mixture

14.

Which type of matter is this:

NaCl (s)

a)

Element

b)

Compound

c)

Mixture

15.

Which type of matter is this:

NaCl (aq)

a)

Element

b)

Compound

c)

Mixture

16.

Which type of matter is this:

N2

a)

Element

b)

Compound

c)

Mixture

17.

Matter is classified as:

a)

Substances only

b)

Mixtures only

c)

Substances and Mixtures

d)

Homogeneous and Heterogeneous Mixtures

18.

Which substance cannot be broken down by a chemical change? (Is this an element or a compound?)

a)

ammonia

b)

magnesium

c)

methane

d)

water

19.

Which substance cannot be broken down by a chemical change? (Is this an element or a compound?)

a)

aluminum

b)

ammonia

c)

aluminum oxide

d)

ammonium chloride

20.

Which substance CAN be broken down by a chemical change? (Is this an element or a compound?)

a)

Carbon

b)

Chlorine

c)

Calcium

d)

Calcium Chloride

21.

What are the two types of substances?

a)

elements

b)

compounds

c)

homogeneous

d)

heterogeneous

22.

What are the two types of mixtures?

a)

elements

b)

compounds

c)

homogeneous

d)

heterogeneous

23.

Which separation technique uses a porous barrier to separate a liquid and a solid?

(a)  

24.

Which method is best for separating a mixture of sand and water?

a)

Evaporation

b)

Filtration

c)

Magnetism

d)

Distillation

25.

Which method is best for separating salt and water?

a)

Evaporation

b)

Filtration

c)

Magnetism

d)

Distillation

26.

Which separation technique uses boiling points to separate a homogeneous mixture of liquids?

(a)  

27.

Which separation technique uses molecular polarity and the tendencies of how far something will travel along the surface of another material?

(a)  

28.

What property does distillation use to separate different parts of a mixture?

a)

particle size

b)

boiling point

c)

polarity

d)

tendency to travel on a surfrace

29.

What property does filtration use to separate different parts of a mixture?

a)

particle size

b)

boiling point

c)

polarity

d)

tendency to travel on a surfrace

30.

What type of particle diagram is this?

a)

Element

b)

Compound

c)

Mixture of Elements

d)

Mixture of Compounds

e)

Mixture of Elements and Compounds

31.

What type of particle diagram is this?

a)

Element

b)

Compound

c)

Mixture of Elements

d)

Mixture of Compounds

e)

Mixture of Elements and Compounds

32.

What type of particle diagram is this?

a)

Element

b)

Compound

c)

Mixture of Elements

d)

Mixture of Compounds

e)

Mixture of Elements and Compounds

33.

What type of particle diagram is this?

a)

Element

b)

Compound

c)

Mixture of Elements

d)

Mixture of Compounds

e)

Mixture of Elements and Compounds

34.

What type of particle diagram is this?

a)

Element

b)

Compound

c)

Mixture of Elements

d)

Mixture of Compounds

e)

Mixture of Elements and Compounds

35.

What type of particle diagram is this?

a)

Element

b)

Compound

c)

Mixture of Elements

d)

Mixture of Compounds

e)

Mixture of Elements and Compounds

36.

What type of particle diagram is this?

a)

Element

b)

Compound

c)

Mixture of Elements

d)

Mixture of Compounds

e)

Mixture of Elements and Compounds

37.

What type of particle diagram is this?

a)

Element

b)

Compound

c)

Mixture of Elements

d)

Mixture of Compounds

e)

Mixture of Elements and Compounds

38.

Which particle diagram best represents neon?
(think about the phase of neon at room temperature and
whether it's diatomic or not)

a)

1

b)

2

c)

3

d)

4

39.

Which particle diagram best represents oxygen?
(think about the phase of oxygen at room temperature and
whether it's diatomic or not)

a)

1

b)

2

c)

3

d)

4

40.

Which diagram represents a compound that is in the solid phase?

a)

A

b)

B

c)

C

d)

D

41.

Which diagram represents a compound that is in the gas phase?

a)

A

b)

B

c)

C

d)

D

42.

In a heating curve: when kinetic energy is constant, what happens to potential energy?

a)

increases

b)

decreases

c)

constant

43.

In a heating curve: when kinetic energy is increasing, what happens to potential energy?

a)

increases

b)

decreases

c)

constant

44.

In a cooling curve: when kinetic energy is decreases, what happens to potential energy?

a)

increases

b)

decreases

c)

constant

45.

In a cooling curve: when kinetic energy is constant, what happens to potential energy?

a)

increases

b)

decreases

c)

constant

46.

What is kinetic energy also known as?

a)

Temperature

b)

Heat

47.

What is the word for absorbing energy?

a)

Endothermic

b)

Exothermic

48.

What is the word for releasing energy?

a)

Endothermic

b)

Exothermic

49.

Which curve is exothermic?

a)

Heating Curve

b)

Cooling Curve

50.

Which curve is endothermic?

a)

Heating Curve

b)

Cooling Curve

51.

Which phase changes are exothermic (releasing energy)?

You have to pick multiple answers

a)

melting

b)

freezing

c)

boiling

d)

condensing

e)

deposition

52.

Which phase changes are endothermic (absorbing energy)?

You have to pick multiple answers

a)

melting

b)

freezing

c)

boiling

d)

condensing

e)

sublimation

53.

Heat energy is always going from _____ to _____

a)

Hot to Cold

b)

Cold to Hot

54.

Which phrase describes the motion and attractive forces of ideal gas particles?

a)

Random straight-line motion and no attractive forces

b)

random straight-line motion and strong attractive forces

c)

random curved-line motion and no attractive forces

d)

random curved-line motion and strong attractive forces.

55.

Which statement describes the particles of an ideal gas, based on the kinetic molecular theory?

a)

there are attractive forces between the particles

b)

the particles move in circular paths

c)

the collisions between the particles reduce the total energy of the gas

d)

the volume of the gas particles is negligible compared with the total volume of the gas

56.

Which statement describes particles of an ideal gas, based on the kinetic molecular theory?

a)

Gas particles are separated by distances smaller than the size of the gas particles

b)

Gas particles do not transfer energy to each other when they collide

c)

Gas particles have no attractive forces between them

d)

Gas particles move in predictable, circular motion.

57.

According the the kinetic molecular theory, collisions between gas particles in a sample of an ideal gas

a)

increase the energy content of the gas sample

b)

produce strong attractive forces between gas particles

c)

result in a net loss of energy by the gas sample

d)

transfer energy between the gas particles

58.

A real gas behaves most like an ideal gas at

a)

low pressure and high temperature

b)

low pressure and low temperature

c)

high pressure and high temperature

d)

high pressure and low temperature

59.

At which temperature and pressure will a sample of neon gas behave most like an ideal gas?

a)

300 K and 2.0 atm

b)

300 K and 4.0 atm

c)

500 K and 2.0 atm

d)

500 K and 4.0 atm

60.

At which temperature and pressure would a sample of helium behave most like an ideal gas?

a)

75 K and 500 kPa

b)

150 K and 500 kPa

c)

300 K and 50 kPa

d)

600 K and 50 kPa

61.

A sample of hydrogen gas will behave most like an ideal gas under the conditions of

a)

low pressure and low temperature

b)

low pressure and high temperature

c)

high pressure and low temperature

d)

high pressure and high temperature

62.

Which is the strongest type of intermolecular force?

a)

Hydrogen Bonding

b)

Dipole-Dipole

c)

Dispersion

63.

Hydrogen Bonding occurs between Hydrogen and any of these three elements:

a)

Cl,C,O

b)

C,O,N

c)

F,O,I

d)

F,O,N

64.

The higher the boiling point, the ___________ the intermolecular force

a)

stronger

b)

weaker

65.

The lower the boiling point, the ___________ the intermolecular force

a)

stronger

b)

weaker

66.

Which substance has the strongest intermolecular force?

a)

Boiling point of CO2 = 195K

b)

Boiling point of NH3 = 240K

c)

Boiling point of CH4 = 111K

67.

Avogadro's law states that if two gases have the same temperature, pressure, and volume;
the two gases have:

a)

same number of molecules

b)

different number of molecules

68.

Avogadro's law states that if two gases have the same temperature, pressure, and volume;
the two gases have:

a)

same number of molecules

b)

different number of molecules

69.

Which substance has the same number of molecules as 2.0 L of He at STP?

a)

3.0 L of CO2

b)

4.0 L of H2O

c)

2.O L of H2

d)

1.5 L of N2

70.

Which substance has the same number of molecules as 2.0 L of O2 at 300K and at 200 kPa?

a)

2.0 L of N2 at 200 K and 200 kPa

b)

4.0 L of H2O at 300 K and 300 kPa

c)

2.O L of H2 at 300 K and 200 kPa

d)

1.5 L of N2 at 400 K and 150 kPa

71.

In a heating curve, what is happening to interval AB in terms of
kinetic energy?
potential energy?

a)

KE increases
PE constant

b)

KE constant
PE increases

c)

KE constant
PE constant

d)

KE increases
PE increases

72.

In a heating curve, what is happening to interval BC in terms of
kinetic energy?
potential energy?

a)

KE increases
PE constant

b)

KE constant
PE increases

c)

KE constant
PE constant

d)

KE increases
PE increases

73.

In a heating curve, what is happening to interval CD in terms of
kinetic energy?
potential energy?

a)

KE increases
PE constant

b)

KE constant
PE increases

c)

KE constant
PE constant

d)

KE increases
PE increases

74.

In a heating curve, what is happening to interval DE in terms of
kinetic energy?
potential energy?

a)

KE increases
PE constant

b)

KE constant
PE increases

c)

KE constant
PE constant

d)

KE increases
PE increases

75.

In a cooling curve, what is happening to interval AB in terms of
kinetic energy?
potential energy?

a)

KE decreases
PE constant

b)

KE constant
PE decreases

c)

KE constant
PE constant

d)

KE decreases
PE decreases

76.

In a cooling curve, what is happening to interval BC in terms of
kinetic energy?
potential energy?

a)

KE decreases
PE constant

b)

KE constant
PE decreases

c)

KE constant
PE constant

d)

KE decreases
PE decreases

77.

In a cooling curve, what is happening to interval CD in terms of
kinetic energy?
potential energy?

a)

KE decreases
PE constant

b)

KE constant
PE decreases

c)

KE constant
PE constant

d)

KE decreases
PE decreases

78.

In a cooling curve, what is happening to interval DE in terms of
kinetic energy?
potential energy?

a)

KE decreases
PE constant

b)

KE constant
PE decreases

c)

KE constant
PE constant

d)

KE decreases
PE decreases

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