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Worksheets

CIA#2 Practice

Total questions: 71

Worksheet time: 1hrs 15mins

Name
Class
Date
1.

The pH scale ranges from

a)

0-14

b)

1-100

c)

7-14

d)

0-10

2.

On the pH scale, acids range from

a)

0-13

b)

8-10

c)

8-14

d)

0-7

3.

On the pH scale, bases range from

a)

0-3

b)

6-10

c)

8-14

d)

0-7

4.

A substance with a pH of 7 is considered ___

a)

acidic

b)

pH neutral

c)

basic

d)

alkaline

5.

Acids contain ____ ions.

a)

H+

b)

H-

c)

O-

d)

O+

6.

Bases contain ____ ions.

a)

OH+

b)

OH-

c)

O-

d)

O+

7.

What color will litmus paper turn in an acid?

a)

red

b)

blue

8.

What color will litmus paper turn in a base?

a)

red

b)

blue

9.

A substance with a pH of 1 is a ____.

a)

weak acid

b)

weak base

c)

strong acid

d)

strong base

10.

Which of the following is an acid?

a)

HCL

b)

NaOH

c)

KCl

d)

Ba(OH)2

11.

Which of the following is a base?

a)

HCL

b)

NaOH

c)

KCl

d)

HBr

12.
Human blood has a pH between 7.35 and 7.45. Which of the following best describes human blood?
a)
strongly acidic
b)
slightly acidic
c)
strongly basic
d)
slightly basic
13.

The table shows the pH of several solutions. Which solution is the most acidic?

a)

vinegar

b)

milk

c)

water

d)

bleach

14.

Zn(OH)2 is an example of a...

a)

acid

b)

base

c)

salt

d)

water

15.

H3PO4 is an example of a ...

a)

acid

b)

base

c)

salt

d)

non-electrolyte

16.

Four substances were tested for pH, lemon juice (pH 2), baking soda (pH 9), bleach (pH 12), and milk (pH 6). Which of the following correctly lists the substances from most basic to acidic?

a)

lemon juice, milk, baking soda, bleach

b)

bleach, baking soda, milk, lemon juice

c)

milk, lemon juice, baking soda, bleach

d)

baking soda, bleach, lemon juice, milk

17.

A sugar solution has a pH of 7. This means the sugar solution is:

a)

acidic

b)

basic

c)

neutral

18.

An unknown substance was tested and found to have an extremely high concentration of hydroxide ions, OH-. and very low concentration of hydronium ions, H3O+. Which pH would make the most sense?

a)

pH = 2

b)

pH = 6

c)

pH = 8

d)

pH = 12

19.

The table shows the pH of several solutions. Which solution has the greatest concentration (amount) of H+ ions?

a)

vinegar

b)

milk

c)

water

d)

bleach

20.

The table shows the pH of several solutions. Which solution has the greatest concentration (amount) of OH- ions?

a)

vinegar

b)

milk

c)

water

d)

bleach

21.
An indicator will ______________ when it is in contact with an acid or base
a)
Bubble
b)
Form a new substance
c)
Change color
d)
Stay the same color
22.
Examine the results (color change) of the pH paper shown in the picture.  What type of substance was tested?
a)
an acid
b)
a base
c)
a neutral substance
d)
none of the above
23.

When H+ concentration is greater than OH- concentration, the solution is

a)

basic

b)

neutral

c)

acidic

d)

alkaline

24.

When OH- concentration is greater than H+ concentration, the solution is

a)

basic

b)

acidic

c)

neutral

25.

As the concentration of the hydrogen ion increases, the concentration of the hydroxide ion

a)

remains the same

b)

decreases

c)

increase

26.

As the H3O+ ion concentration of a solution increases, the pH of the solution

a)

decreases

b)

increases

c)

remains the same

27.
At higher temperatures
a)
particles in an object have less energy
b)
particles in an object move faster
c)
a gas contracts
28.
A gas
a)
has a definite shape but no definite volume
b)
has a definite volume but no definite shape
c)
has fast-moving particles
29.
Which state of matter has tightly packed molecules?
a)
solid
b)
liquid
c)
gas
30.
Which state of matter has a definite shape?
a)
solid
b)
liquid
c)
gas
31.
Define a liquid.
a)
Indefinite shape, indefinite volume
b)
Definite shape, definite volume
c)
Found in stars
d)
Definite volume, indefinite shape
32.
Particles (molecules) in a ______________________ have more energy than the other states of matter.
a)
gas
b)
solid
c)
liquid
33.
The speed of the molecules determines the _____.
a)
volume
b)
density
c)
pressure
d)
temperature
34.
Which has a greater distance between particles?
a)
Solid
b)
Liquid
35.
The kinetic theory of gasses states...
a)
The molecules are really small and move randomly
b)
The molecules are small and move together
c)
The molecules are big and move together
d)
The molecules move in a set way 
36.

If a solid, liquid, and a gas are at the same temperature, which has the strongest attractions between its atoms?

a)

Solid

b)

Liquid

c)

Gas

37.

If the number of push ups I can do decreases as my age increases, the relationship between these variables is...

a)

direct

b)

inverse

c)

exponential

d)

linear

38.

What creates gas pressure?

a)

collisions of gas with eachother

b)

reactions between particles

c)

collisions of gas with the walls of the container

d)

reactions between the intermolecular forces

39.

A barometer is used to measure what?

a)

temperature

b)

distance

c)

volume

d)

pressure

40.

If two particles have the same kinetic energy, their temperature is...

a)

different

b)

the same

c)

higher in the second particle

d)

higher in the first particle

41.

solid to gas?

a)

condensation

b)

sublimation

c)

deposition

d)

vaporization

42.

gas to solid?

a)

condensation

b)

sublimation

c)

deposition

d)

vaporization

43.

Which statements are true accordingly to the kinetic molecular theory of matter? Please choose all that apply.

a)

All matter is made of small particles

b)

particles in matter are in constant, random motion

c)

Particles in matter collide with each other and other objects

d)

Only solids have particles

44.

According to Boyle's Law, what would happen if the volume of a gas increased?

a)

the pressure would decrease

b)

the pressure would increase

45.

Which law would best help to explain why a bag of chips would expand (increase in volume) at the top of a mountain with less atmospheric pressure?

a)

Boyle's Law

b)

Charles' Law

46.

According to Charles' Law, would would happen if the temperature of a gas increased?

a)

the volume of the gas would decrease

b)

the volume of the gas would also increase

47.

Which phase changes require the addition of heat?

a)

sublimation

b)

evaporation

c)

deposition

d)

melting

e)

freezing

48.

Which phase changes require the the particles move away from each other?

a)

sublimation

b)

evaporation

c)

deposition

d)

melting

e)

freezing

49.

Which phase changes require the the particles slow down?

a)

sublimation

b)

condensation

c)

deposition

d)

melting

e)

freezing

50.
Gas pressure is caused by
a)
gas molecules colliding with surfaces
b)
gas molecules condensing to a liquid
c)
gas molecules hitting other gas molecule
d)
barometers
51.

What happens at absolute zero?

a)

All Motions cease

b)

everything turns to a solid

c)

everything dies

d)

who knows?

52.

This graph represents which gas law ?

a)

Grahams law

b)

Avogadros law

c)

Boyles Law

d)

Charles Law

53.

Which of the following graphs represents pressure versus volume (V) for a real gas at a constant temperature

a)

A

b)

B

c)

C

d)

D

54.
Boyle's law :  The pressure and volume of a gas show a _____ relationship. 
a)
Inverse 
b)
Direct 
55.
The following graph shows ____ relationship. 
a)
Direct
b)
Inverse
56.

What type of reaction is this?

4 Fe + 3 O2 --> 2 Fe2O3

a)

Synthesis

b)

Combustion

c)

Single Replacement

d)

Decomposition

57.

Which of the following could be an indication that a chemical reaction has occurred?

SELECT ALL THAT APPLY!!!

a)

Bubbles

b)

Precipitate Formation

c)

Change in Mass

d)

Change in Shape

e)

Change in Temperature

58.

Which law states that Matter cannot be created or destroyed?

a)

Law of Conservation of Matter

b)

Law of Gravity

c)

Law of Equivalent Exchange

d)

Law of Matter ad Infinitum

59.

What coefficient should be placed in front of Oxygen (O2) to balance this equation?


Al + O2 --> Al2O3

a)

3

b)

2

c)

6

d)

1

60.

What type of reaction is this?


Pb(NO3)2 + 2KI --> 2KNO3 + PbI2

a)

Double Replacement

b)

Single Replacement

c)

Synthesis

d)

Decomposition

61.

What type of reaction is this?


CH4 + 2O2 --> 2H2O + CO2

a)

Combustion

b)

Synthesis

c)

Double Replacement

d)

Single Replacement

62.

Which coefficient should be placed in front of O2 to balance this equation?


C2H6 + O2 --> H2O + CO2

a)

3.5

b)

7

c)

9

d)

14

63.

Which coefficient should be placed in front of Lithium to balance this equation?


AlCl3 + Li --> LiCl + Al

a)

1

b)

2

c)

3

d)

0.00000000000001

64.

Which coefficient should be placed in front of NH3 to balance this equation?


NH3 + H2SO4 --> (NH4)2SO4

a)

1

b)

2

c)

3

d)

1,000,000,000

65.

What does the symbol Δ represent?

a)

Change in heat

b)

Change in shape

c)

Change in color

d)

Change in attitude

66.

What does the symbol (aq) stand for?

a)

Aquatic

b)

Aqueous

c)

Aqua

d)

Aquarium

67.

What type of reaction is this?


2Na + 2H2O --> 2NaOH + H2

a)

Single Replacement

b)

Double Replacement

c)

Synthesis

d)

Decomposition

68.

What type of reaction is this?


2NaHCO3 --> Na2CO3 + H2O + CO2

a)

Single Replacement

b)

Combustion

c)

Decomposition

d)

Synthesis

69.

Which of the following describes the basic structure of single replacement reactions?

a)

A + B --> C

b)

A + B --> AB

c)

A + BC --> AC + B

d)

AB + CD --> AD + CB

70.

Which of the following is an example of a PHYSICAL change?

a)

Neutralizing vinegar with baking soda

b)

Breaking your iPad with a rock due to school stress

c)

Creating a precipitate by mixing Lead Nitrate and Sodium Iodide

d)

Burning popcorn in the microwave

71.

Which of the following is an example of a CHEMICAL change?

a)

Shattering a window with a baseball

b)

Ripping paper into 1,000,000,000 tiny pieces

c)

Rusting an iron bar on a humid day

d)

Melting a block of copper metal

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