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Physical Science Spring benchmark Review

Total questions: 64

Worksheet time: 2hrs 53mins

Name
Class
Date
1.

What type of reaction involves the breaking down of a substance into simpler substances?

a)

Single Displacement Reaction

b)

Double Displacement Reaction

c)

Synthesis Reaction

d)

Decomposition Reaction

2.

What type of reaction involves 2 substances combining to form 1 new compound?

a)

Decomposition Reaction

b)

Single Displacement Reaction

c)

Double Displacement Reaction

d)

Synthesis Reaction

3.

What are the reactants in the chemical equation pictured?

a)

CH4 and CO2

b)

CH4 and O2

c)

CO2 and H2O

d)

O2 and H2O

4.

What are the products of the chemical reaction pictured?

a)

CH4 and CO2

b)

CH4 and O2

c)

CO2 and H2O

d)

O2 and H2O

5.

The reactants are on the left side of the chemical equation.

a)

True

b)

False

6.

What type of chemical reaction is this one?

Al(OH)3 --> Al2O3 + H2O

a)

Decomposition

b)

Combustion

c)

Synthesis

d)

Single Replacement

7.

What type of chemical reaction is this one?

CUO + CO2 --> CuCO3

a)

Decomposition

b)

Combustion

c)

Synthesis

d)

Single Replacement

8.

What type of chemical reaction is this one?

Ca + MgCl2 --> CaCl2 + Mg

a)

Decomposition

b)

Combustion

c)

Synthesis

d)

Single Replacement

9.

The right side of the equation below is called the

a)

products

b)

reactants

10.

What type of chemical reaction is this one?

C2H2 + O2 --> CO2 + H2O

a)

Decomposition

b)

Combustion

c)

Synthesis

d)

Single Replacement

11.

HNO₃ + NaOH → NaNO₃ + H₂O

a)

Neutralization/acid base

b)

Single Replacement

c)

Combustion

d)

Double Replacement

12.

2Na +S → Na2S

a)

Double Replacement

b)

Decomposition

c)

Combustion

d)

Synthesis

13.
Balance this equation.
_CH4 + _O--> _CO+ _H2O
a)
1,2,1,1
b)
2,1,2,1
c)
1,2,1,2
d)
0,2,0,2
14.
Balance this equation
_Al +_HCl --> _H+_AlCl3
a)
2, 6, 3, 2
b)
it is already balanced
c)
4, 12, 3, 4
d)
2, 1, 4, 5
15.
Balance this equation.
_SnO+_H2-->_Sn +_H2O
a)
1,1,2,1
b)
1,2,1,1
c)
1,2,1,2
d)
1,2,2,1
16.
Acids react with
a)
water to produce bases and salts
b)
salts to produce bases and water
c)
neither bases, salts nor water
d)
bases to produce salts and water
17.

A substance is found to have the following characteristics:


Very bitter taste

Feels slippery to the touch

Produces OH- ions when dissolved in water


In what category would the substance be classified?

a)

acid

b)

base

c)

enzyme

d)

fatty acid

18.

HF is...

a)

an acid

b)

a base

c)

a salt

d)

an ionic compound

19.

HNO2

a)

a base

b)

a salt

c)

an acid

d)

an ionic compound

20.
Releases hydrogen in an aqueous solution.
a)
base
b)
strong base
c)
acid
d)
weak base
21.

KOH is ...

a)

an acid

b)

a base

c)

a salt

d)

an ionic compound

22.

The pH of a solution is 2.0. What is the [OH-] concentration?

a)

1x10-12M

b)

12 M

c)

1x10-2M

d)

2 M

23.
Which of the following statements is correct?
a)
Blue litmus paper turns red when placed in a base.
b)
Red litmus paper turns blue when placed in a base.
c)
Blue litmus paper stays blue when placed in an acid.
d)
Red litmus paper stays red when placed in a base.
24.

What is the pH of a solution where the [H+] is 1.0 x 10-11?

a)

11

b)

13

c)

14

d)

1

25.

What is the pOH of a 1 x 10-8 M solution of HNO3?

a)

8

b)

6

c)

7

d)

9

26.

What is the [H+] if the pH is 4.0?

a)

1.0 x 10-10 M

b)

1.0 x 10-4 M

c)

1.0 x 10-14 M

d)

1.0 x 10-7 M

27.
What is the pOH of a solution that has a pH of 2?
a)
10
b)
12
c)
14
d)
1
28.

What is a titration?

a)

when the moles of hydrogen ions is equal to the moles of hydroxide ions

b)

adding a known amount of solution of known concentration to determine the concentration of an unknown

c)

reaction in which an acid and a base react in an aqueous solution to produce a salt and water

d)

the extent of ionization of an acid or base

29.

Phenolophalein turns from clear to pink when the pH turns

a)

acidic

b)

basic

c)

saline

d)

ionic

30.

What completely ionizes in solution?

a)

Weak acids

b)

Strong acids

c)

Strong Salts

d)

Neutral salts

31.
Which runner had a head start?
a)
A
b)
B
c)
C
d)
None of them
32.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
33.
During which interval is the object speeding up?
a)
A to B
b)
B to C
c)
D to E
d)
E to F
34.

Which runner stopped for a rest?

a)

Albert

b)

Bob

c)

Charlie

d)

None of them stopped

35.
What is happening at D?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Slower steady speed; moving away from the starting position
36.
Which graph represents the greatest acceleration?
a)
A
b)
B
c)
C
d)
D
37.
Which section of the graph shows decreasing velocity?
a)
CD
b)
DE
c)
EF
d)
GH
38.
Which graph is would represent a decrease in speed?
a)
Graph A
b)
Graph B
c)
Graph C
d)
The object is not decreasing in speed in any of these graphs
39.
What is the object doing from 10-12.5 seconds?
a)
Slowing down 
b)
Returning to the starting position
c)
Speeding up
d)
Not moving
40.
Describe the speed of the object from
0-2 seconds using the distance vs. time graph.
a)
Constant speed
b)
Speeding up
c)
Slowing down
d)
Not moving
41.
Which graph represents zero acceleration (constant velocity)?
a)
A
b)
B
c)
C
d)
D
42.
How many times does this object STOP moving?
a)
None
b)
Once
c)
Twice
d)
Three times
43.
How far does the object move?
a)
40m
b)
80m
c)
100
d)
100m
44.
What is the objects average speed from 0-20 seconds?
a)
0.5m/s
b)
10m/s
c)
2m/s
d)
10m
45.
What is happening at C?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Slower steady speed; moving away from the starting position
46.

An object in motion tends to stay in motion and an object at rest tends to stay at rest until acted on by an unbalanced force is which of Newton's laws?

a)

1st

b)

2nd

c)

3rd

d)

4th

47.

The acceleration of an object is dependent upon the net force acting upon the object and the mass of the object is which of Newton's laws?

a)

1st

b)

2nd

c)

3rd

d)

4th

48.

For every action there is an equal and opposite reaction is which of Newton's laws?

a)

1st

b)

2nd

c)

3rd

d)

4th

49.

What is defined a push or pull?

a)

force

b)

net force

c)

an unbalanced force

d)

a balanced force

50.

What is the term for when two forces are acting in opposite directions on an object and are equal in size and the object stays still

a)

net force

b)

balanced force

c)

accelerated force

d)

unbalanced force

51.

Forces that cause a change in motion of an object are called

a)

balanced forces

b)

net forces

c)

motion forces

d)

unbalanced forces

52.

Calculate the net force

a)

5

b)

10

c)

15

d)

0

53.

Calculate the net force

a)

20

b)

10

c)

0

d)

30

54.

Calculate the net force

a)

25

b)

65

c)

20

d)

15

55.

What is the net force?

a)

400

b)

800

c)

200

d)

600

56.

If you are pushing a 1200 kg car with an acceleration of 0.5 m/s2 , what is the force you have applied to the car?

a)

600

b)

2400

c)

4.16

d)

60

57.

calculate the force applied to a 5 kg shopping cart if it accelerates at 3 m/s2

a)

15

b)

1.67

c)

0.6

d)

1.57

58.

If you INCREASE the force applied to a 50 kg crate, what happens to the ACCELERATION of the crate

a)

acceleration increases

b)

acceleration decreases

c)

force increases

d)

this cannot be determined

59.

If you have a 500 kg motorcycle and you INCREASE the acceleration for 20 m/s2 to 40 m/s2, describe how you had to change the force applied to the motorcycle

a)

had to increase the force

b)

had to decrease the force

c)

had to increase the acceleration

d)

had to decrease the acceleration

60.

the sum of all forces acting on an object is called the

a)

net force

b)

balanced force

c)

motion force

d)

accelerated force

61.

The box exerts a downward force on the table, and the table exerts an equal and opposite upward force on the box.


Which best describes the net force acting on the box while the box remains at rest on the table

a)

balanced

b)

unbalanced

c)

motionless

d)

activated

62.

Based on Newton's 2nd Law of Motion, which statement is true about the acceleration of wagon A and wagon B if both are being pulled with the same external force

a)

wagon A will have a greater acceleration than wagon B

b)

wagon B will have a greater acceleration than wagon A

c)

wagon A and B will have the same accelerations

d)

the wagons will both have and acceleration of zero

63.

What can be said of friction?

a)

it works against you as you are trying to move an object

b)

it works with you as you are trying to move an object

c)

it lifts up an object as you are trying to move it

d)

it is never noticeable as you try to move an object

64.

Based on Newton's 2nd Law of Motion, which statement is true about the force of the wagon with the kids if the mass of kids is identical but wagon A is moving TWICE the speed because it has more people pushing than that of wagon B

a)

wagon A will have a greater force

b)

wagon B will have a greater force

c)

the force will be the same for both wagons

d)

the force will be zero for both wagons