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Acids and Bases Review 1

Total questions: 66

Worksheet time: 46mins

Name
Class
Date
1.
Which of the following is a property of bases?
a)
a pH < 7
b)
slippery feel
c)
tart or sour taste
d)
corrosive to metals
2.
Which of the following is a property of an acid?
a)
pH > 7
b)
turns litmus paper blue
c)
tart or sour taste
d)
corrosive to organic materials
3.
What is the name of H3PO4?
a)
hydrophosphoric acid
b)
phosphorous acid
c)
phosphoric acid
d)
phosphoric hydroxide
4.
What is the name of Mg(OH)2
a)
magnesium hydroxide acid
b)
hydromagnesium acid
c)
magnesium oxygen hydride
d)
magnesium hydroxide
5.

Predict the products for the following reaction: LiOH + H2SO4 -->

(Hint: it is a neutralization reaction)

a)

LiSO4 + H2O

b)
LiSO4 + H2(OH)
c)

Li2SO4 + H2O

d)
Li2SO4 + H2(OH)
6.
Acids are what range on the pH scale?
a)
0-14
b)
0-6.99
c)
7
d)
7.1-14
7.
7 on the pH scale means that it is...
a)
Acidic
b)
Basic
c)
Neutral
8.
What color does acid turn litmus paper?
a)
It turns litmus paper purple.
b)
It turns red litmus paper blue.
c)
It turns blue litmus paper blue.
d)
It turns blue litmus paper red.
9.
Drain cleaner has a pH of 13. What is drain cleaner?
a)
An acid.
b)
A strong base.
c)
Neutral.
d)
A weak base.
10.
In a neutralization reaction, what are the products of a reaction between an acid and a base?
a)
Another acid and base
b)
Carbon dioxide and a salt
c)
Water and a salt
d)
Either two acids or two bases
11.
Forms hydroxide ions (OH-) in water
a)
Acids
b)
Bases
c)
All
12.
According to the pH range which substance is more acidic than lemon juice
a)
Hydrochloric acid
b)
cabbage
c)
milk
13.
Turns litmus blue.
a)
Acids
b)
Bases
c)
Salts
d)
All
14.
Carrie's teacher hands out test tubes filled with different chemicals and tells the students to identify their liquid as an acid, base, or neutral chemical. Carrie's test tube contains a clear chemical. She adds phenolpthalein to her test tube and gently moves the tube from side to side. A few moments later, the chemical in the test tube turns bright pink.
What type of chemical does Carrie have?
a)
Carrie has a neutral chemical.
b)
Carrie has an acidic chemical.
c)
Carrie has a basic chemical.
d)
The type of chemical Carrie has cannot be determined.
15.
When dissolved in water, acids produce:
a)
bases
b)
salts
c)
hydrogen ions
d)
hydroxide ions
16.
NH3 + H2O --> NH4+ + OH-
According to the Bronsted-Lowry model, what is H2O in this reaction?
a)
acid
b)
base
c)
conjugate acid
d)
conjugate base
17.

If Solution A has a pH of 10, and Solution B has a pH of 3, which solution has more hydroxide[OH-] ions?

a)

Solution A

b)

Solution B

c)

You cannot determine.

18.

An arrhenius base

a)

produces hydroxide ions in a solution

b)

is a proton donor

c)

produces hydrogen ions in a solution

d)

is a proton acceptor

19.

A bronsted lowry base

a)

produces hydroxide ions in a solution

b)

is a proton donor

c)

produces hydrogen ions in a solution

d)

is a proton acceptor

20.

Identify the true statement about the following reaction:

F- + H2O --> HF +OH-

a)

H2O is a bronsted lowry base

b)

H2O is not an acid or base according to either model

c)

H2O is a bronsted lowry acid

d)

H2O is an arrhenius acid

21.

acid + base = ____

a)

water + salt

b)

water + hydrogen

c)

salt + hydrogen

d)

2 waters + salt

22.

acids contain H+ and bases contain OH-

a)

bronsted

b)

lowery

c)

arrhenius

d)

lewis

23.

in which theory is the H+ ion a proton?

a)

arrhenius

b)

bronsted lowery

c)

lewis

d)

arrhenius & bronsted lowery

24.

conjugate pairs show the ___ of ___

(a)  

25.

the lewis theory includes...

a)

electrons

b)

protons

c)

neutrons

d)

electrons and neutrons

26.

the pH of an acid is ___ 7

a)

over

b)

under

27.

the pH of a base is ___ 7

a)

over

b)

under

28.

concentrations are measured in...

a)

H+ ions

b)

morlarity

c)

OH- ions

d)

pH

29.

[H+]x[OH-]= 1x10-14 is used for (a)  

30.

[H+]x[OH-]= 1x10-14 is used to find the concentration of...

a)

acids

b)

bases

c)

both

d)

neither

31.

-log[H+] is used to find...

a)

pH of acid

b)

pH of base

c)

both

d)

neither

32.

-log[OH-] is used to find...

a)

pH of acid

b)

pH of base

c)

both

d)

neither

33.

what is the neutralization equation?

a)

MaVa = MbMb

b)

MaVa - MbMb

c)

MaVa + MbMb

d)

MaVb = MbMa

34.

acids are...

a)

sour

b)

good conductors

c)

bad conductors

d)

more then 7 pH

35.

bases are...

a)

feel soft

b)

feel slippery

c)

more then 7

d)

bitter

36.

amphoteric substances are (a)  

37.

polyprotic means

a)

more than 1 proton

b)

3 protons

c)

1 proton

d)

less then 3 protons

38.

the strength of an acid/base...

a)

all of the above

b)

the the same thing as pH

c)

relates to pH

d)

does not relate to pH

39.

the more an acid/base ionizes the (a)   it gets

40.

acidic anhydrides are

a)

nonmetallic

b)

metallic

c)

covalent

d)

ionic

41.

basic anhydrides are

a)

ionic

b)

covalent

c)

nonmetallic

d)

metallic

42.

acid/base --> (a)   + anhydride

43.

Who is the least acidic baseball player of all time?



(a)  

44.

Acids are substances that produce (a)   ions in water.

45.

Which is the correct characteristic of acids?

a)

turns red litmus paper blue

b)

turns blue litmus paper red

c)

blue litmus paper remains blue

d)

red litmus paper remains red

46.

Which is the correct characteristic of acids?

a)

pH = 7

b)

pH below 7

c)

pH above 7

d)

red litmus paper remains red

47.

Acids react with reactive metal to produce salt and (a)   gas.

48.

Acids react with carbonates to produce salt , water and (a)   gas.

49.

Acids react bases and alkalis to produce salt and (a)   .

50.

Alkalis are substances that produce (a)   ions in water.

51.

Which is the correct characteristic of alkalis?

a)

pH = 7

b)

pH below 7

c)

pH above 7

d)

red litmus paper remains red

52.

Which is the correct characteristic of alkalis?

a)

turns red litmus paper blue

b)

turns blue litmus paper red

c)

blue litmus paper remains blue

d)

red litmus paper remains red

53.
If a solution is basic which ion will be more present?
a)
H+
b)
K+
c)
OH-
d)
H-
54.

What property do all three of these fruits have in common?

a)

taste bitter sweet

b)

have pH below 7

c)

turn litmus paper blue

d)

cannot conduct electricity

55.

The pH scale is a range from

a)

1 to 14

b)

1 to 20

c)

1 to 7

d)

0 to 14

56.

Which statement is true?

a)

the higher the pH, the stronger the acid

b)

the lower the pH, the more neutral the acid

c)

the higher the pH, the weaker the alkali

d)

the lower the pH, the stronger the acid

57.
A(n) _______ is a substance with a pH greater than 7.
a)
Base
b)
Acid
c)
Buffer
d)
Water
58.

A base is a substance

a)

That releases OH- ions when dissolved in water

b)

That releases H+ ions when dissolved in water

c)

Does not release any ions when dissolved in water

d)

None of the above

59.

An acid

a)

is a substance that releases H+ ions when dissolved in water

b)

is a substance that does not release any ions when dissolved in water

c)

is a substance that releases OH- when dissolved in water

d)

releases an equal amount of OH- and H+ ions when dissolved in water

60.
A solution has a pH of 7.0.  What would happen to the pH if H ions were added?
a)
pH would go up
b)
pH would go down
c)
pH would stay the same
d)
None of these
61.
A solution has a pH of 7.0.  What would happen to the pH if OH ions were added?
a)
pH would go up
b)
pH would go down
c)
pH would stay the same
d)
None of these
62.

Which of the following is true .

a)

Acids and bases form hydroxide ions in solution

b)

Acids form hydroxide ions and bases hydrogen ions in solution

c)

Acids form hydrogen ions in solution, bases do not form ions in solution

d)

Acids form hydrogen ions in solution and bases hydroxide ions

63.

What might happen if buffers did not exist within the human body?

a)

Our blood and other bodily fluids might become too acidic or basic.

b)

Our stomach acid would not be able to break down food.

c)

We would not be able to process glucose within our cells.

d)

We would not be able to inhale oxygen into our lungs.

64.

Two beakers have liquids in them. When you add a base such as ammonia to beaker 1, the pH did not change. But when you add ammonia to beaker 2, the pH changes drastically. Choose the best explanation.

a)

Beaker 1 had only water and Beaker 2 contained a buffer.

b)

Beaker 1 contained a buffer and Beaker 2 contained only water.

c)

Beaker 2 contained an acid.

d)

The beaker that changed pH contained a buffer.

65.
How is carbon-12 different from carbon-14?
a)
They have a different number of protons
b)
they have a different number of electrons
c)
they have a different number of neutrons
66.
What is the name of the pictured isotope?
a)
Copper-29
b)
Copper-63
c)
Copper-34
d)
CopperWopperHopperBopper

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