Free Printable Acid Base Exam CP

1.

What three theories did we discuss in class?

a)

Arrhenius Theory

b)

Bronsted-Lowry Theory

c)

Lewis Theory

d)

All of the above

2.

Which of the following are the properties of acids?

a)

Taste sour

b)

Will change the color of an acid-base indicator

c)

Can be strong or weak electrolytes in aqueous solution

d)

all of the above

3.

Which of the following are properties of bases?

a)

taste bitter

b)

feel slippery

c)

will change the color of an acid-base indicator

d)

can be strong or weak electrolytes in aqueous solution

e)

all of the above

4.

Arrhenius theory states that an Arrhenius acid...

a)

produces H+

b)

produces OH-

c)

donates a pair of electrons

d)

accepts a pair of electrons

5.

An Arrhenius acid will produce which of the following when added to water?

a)

H+

b)

OH-

c)

Na+

d)

Cl-

6.

What is the formula for hydrochloric acid?

a)

HCl

b)

HCO

c)

HDCl

d)

HClA

7.

What's the formula for $H_2SO_4$ ?

a)

sulfuric acid

b)

hydrochloric acid

c)

nitric acid

d)

acetic acid

8.

What does an Arrhenius base produce when placed in water?

a)

OH-

b)

H+

c)

Na+

d)

Cl-

9.

What is the name for the base NaOH?

a)

sodium hydroxide

b)

potassium hydroxide

c)

calcium hydroxide

d)

magnesium hydroxide

10.

What is the name for the base KOH?

a)

potassium hydroxide

b)

calcium hydroxide

c)

sodium hydroxide

d)

magnesium hydroxide

11.

What would the following be considered: pH 9

a)

acid

b)

base

c)

neutral

d)

none of the above

12.

What would the following be considered: pH 14

a)

acid

b)

base

c)

neutral

d)

none of the above

13.

What would the following be considered: pH 1

a)

acid

b)

base

c)

neutral

d)

none of the above

14.

What would the following be considered: pH 7

a)

acid

b)

base

c)

neutral

d)

none of the above

15.

What would the following be considered: pH 3

a)

acid

b)

base

c)

neutral

d)

none of the above

16.

Which of the following is acidic?

a)

lemons

b)

vinegar

c)

oranges

d)

all of the above

17.

Which of the following is basic?

a)

soap

b)

baking soda

c)

bleach

d)

all of the above

18.

How does Bronsted-Lowry define an acid?

a)

H+ donor

b)

H+ acceptor

c)

electron pair donor

d)

electron pair acceptor

19.

How does Bronsted-Lowry define a base?

a)

H+ donor

b)

H+ acceptor

c)

electron pair donor

d)

electron pair acceptor

20.

Which of the following conduct electricity better?

a)

Strong Base

b)

Weak Base

c)

Weak Acid

d)

None of the above

21.

What is the name of the process when water is added to a solution?

a)

dilution

b)

dissociation

c)

buffering

d)

none of the above

22.

Why did we heat up the water with the cabbage in it during the Cabbage Lab?

a)

to release the pigment into solution

b)

just cause

c)

to have warm water

d)

none of the above

23.

What colors were bases in the Cabbage Lab?

a)

Yellow/Green

b)

Red/Pink

c)

Purple

d)

Black

24.

What colors were acids in the Cabbage Lab?

a)

Red/Pink

b)

Yellow/Green

c)

Purple

d)

Black

25.

What was the pigment found in Red Cabbage that allows for a color change in solution?

a)

Flavin

b)

Cabbage

c)

Red 45

d)

Cabby

26.

What is the pH of a 0.52 M potassium hydroxide (KOH) solution?

a)

13.72

b)

14

c)

0.28

d)

none of the above

27.

What is the pOH of a 0.075 M solution of sodium hydroxide (NaOH)?

a)

1.12

b)

12.88

c)

7.5

d)

14

28.

What is the hydrogen ion concentration [H+] of lemon juice with a pH of 3.3?

a)

$5.01\ \times\ 10^{-4}\ M$

b)

$5.01\times10^{-3}\ M$

c)

5.01 M

d)

$5.01\times10^{-1}\ M$

29.

What is the pH of an 9.5 L solution that contains 3.5 moles of hydrochloric acid (HCl)?

a)

0.43

b)

1.43

c)

2.43

d)

5.43

30.

What is the pH of a 0.035 M solution of hydrochloric acid (HCl)?

a)

0.46

b)

1.46

c)

2.46

d)

3.46

31.

What is an example of an amphoteric substance?

a)

water

b)

lemon juice

c)

milk

d)

blood

32.

Which of the following is an amphoteric substance?

a)

substance that can act both as an acid or a base

b)

substance that can only act as an acid

c)

substance that can only act as a base

d)

substance that can neither act as an acid or a base

33.

Which of the following is considered to have the strongest basic pH?

a)

battery

b)

soap

c)

lemon

d)

drain cleaner

34.

Bleach would be a _____.

a)

acid

b)

base

c)

neutral

d)

all of the above

35.

_____ have a pH below 7.

a)

Acids

b)

Bases

c)

Neutral

d)

none of the above

36.

What is a Lewis acid?

a)

a substance that can accept a pair of electrons to form a covalent bond

b)

a substance that can donate a pair of electrons to form a covalent bond

c)

a substance that can accept a pair of protons to form a covalent bond

d)

a substance that can donate a pair of protons to from a covalent bond

37.

Which of the following are conjugate acid-base pairs?

a)

$H_2O\ and\ NH_3$

b)

$NH_4^+\ and\ OH^-$

c)

$H_2O\ and\ OH^-$

d)

none of the above

38.

What is a conjugate acid?

a)

The substance formed when a base gains a hydrogen ion

b)

the substance that remains when an acid has donated a hydrogen ion

c)

all of the above

d)

none of the above

39.

In the following equation, which is the Bronsted Lowry acid?

a)

$H_2O$

b)

$NH_3$

c)

$NH_4^+$

d)

$OH^-$

40.

In the following equation, which is the Bronsted Lowry base?

a)

$H_2O$

b)

$NH_3$

c)

$NH_4^+$

d)

$OH^-$

41.

In the following equation, which is the conjugate acid?

a)

$H_2O$

b)

$NH_3$

c)

$NH_4^+$

d)

$OH^-$

42.

In the following equation, which is the conjugate base?

a)

$H_2O$

b)

$NH_3$

c)

$NH_4^+$

d)

$OH^-$

43.

What is a conjugate base?

a)

The substance formed when a base gains a hydrogen ion

b)

the substance that remains when an acid has donated a hydrogen ion

c)

all of the above

d)

none of the above

44.

What is a Lewis base?

a)

a substance that can accept a pair of electrons to form a covalent bond

b)

a substance that can donate a pair of electrons to form a covalent bond

c)

a substance that can accept a pair of protons to form a covalent bond

d)

a substance that can donate a pair of protons to from a covalent bond

45.

_____ have a pH above 7.

a)

Acids

b)

Bases

c)

Neutral

d)

none of the above

46.

Lemons would be an _____.

a)

acid

b)

base

c)

neutral

d)

all of the above

47.

Water would be _____.

a)

acid

b)

base

c)

neutral

d)

all of the above

48.

Which of the following is considered to have the strongest acidic pH?

a)

battery

b)

soap

c)

lemon

d)

drain cleaner

49.

What is the hydrogen ion concentration [H+] of an acidic solution with a pH of 5.55?

a)

$2.82\ \times\ 10^{-6}$

b)

$2.82\times10^{-3}$

c)

2.82

d)

$2.82\times10^{-9}$

50.

What is the pH of a 0.075 M solution of sodium hydroxide (NaOH)?

a)

1.12

b)

12.88

c)

7.5

d)

14

51.

Extra Credit: True or False: Bingo is King!

a)

True

b)

True

c)

True

d)

False

52.

Extra Credit: True or False: Elmo is Awesome!

a)

True

b)

True

c)

True

d)

False

53.

Extra Credit: Who is this?

a)

Poppy Playtime

b)

Bingo Playtime

c)

Toby Playtime

d)

Elmo Playtime

54.

Extra Credit: True or False: Toby for President!

a)

True

b)

True

c)

True

d)

False

55.

High concentration indicates a _________ amount of solute.

a)

large

b)

small

c)

zero

d)

none of the above

56.

Low concentration indicates a _________ amount of solute.

a)

large

b)

small

c)

zero

d)

none of the above

57.

Molarity is used to measure the _____________ of a solution.

a)

concentration

b)

solute

c)

solvent

d)

solution

58.

The substance that is dissolved in a solution is called...

a)

solute

b)

solution

c)

electrolyte

d)

solvent

59.

The substance that is doing the dissolving in a solution is called...

a)

solute

b)

solution

c)

solvent

d)

electrolyte

60.

A solution with solute that dissolves until it is unable to dissolve anymore, leaving the undissolved substances at the bottom is called...

a)

saturated solution

b)

supersaturated solution

c)

unsaturated solution

d)

solution

Acid Base Exam CP

Total questions: 60

Worksheet time: 3hrs 14mins

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