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Review: Acid vs Base (w/a little Gas)

Total questions: 50

Worksheet time: 4hrs 39mins

Name
Class
Date
1.
Which is the base?
a)
HCl
b)
LiOH
2.
All are the properties of acid except
a)
Taste Sour
b)
Has a pH of 3
c)
Has greater [H+] than [OH-]
d)
Turn litmus paper blue
3.
A solution has a pH of 6.8. The standard should be 7.5, what should be added to the solution to make the pH correct?
a)
a neutralizer
b)
more water
c)
an acid
d)
a base
4.
Which acid ionizes completely?
a)
Strong Acids
b)
Weak Acids
5.
An acid-base neutralization reaction produces
a)
gas and water
b)
salt and water
6.
KOH + H2SO4 −−>
Complete the above acid-base neutralization reaction.
a)
K2SO4 + H2O
b)
SO4K + H3O
c)
K2SO4 + H3O
7.
In the reaction, NH4++ H2O −−> NH3 + H3O+, water is acting as a(n)
a)
Bronsted-Lowry acid
b)
Bronsted-Lowry base
c)
Arrhenius base
d)
Arrhenius acid
8.
What is the pH of 1x10-5M HCl?
a)
5.0
b)
6.0
c)
8.0
d)
9.0
9.
Acids release H2 gas when they react with
a)
salt
b)
nonmetal oxides
c)
nonmetals
d)
metals
10.
Which is the acid?
a)
H2SO4
b)
NaCl
c)
NaOH
11.

The pOH of a solution in which [OH-] = 1x10-5 is:

a)

5

b)

9

c)

1x10-9

d)

1x10-14

12.

In the reaction CO3-2 +H2O -->HCO3- + OH- water is acting as a(n):

a)

acid

b)

base

c)

salt

d)

neutral compound

13.

The pH of a solution in which [H+] = 3 x 10-8M is:

a)

1x10-14 M

b)

7.52

c)

3x10-7 M

d)

6.48

14.

Which of these solutions is the most basic?

a)

[H+] =1x10-3 M

b)

[OH-]= 1x10-2

c)

[H+] =1x10-10 M

d)

[OH-] =1x10-10 M

15.

The pH of a solution in which pOH = 6.05 is:

a)

6.85

b)

14.00

c)

7.15

d)

none of the above

16.

The products of a neutralization reaction are always:

a)

a salt (ionic compound) and water

b)

a precipitate and water

c)

basic

d)

acidic

17.

When a small quantity of acid is added to a buffered solution, the pH will:

a)

increase

b)

remain relatively unchanged

c)

decrease

d)

fluctuate until stabilizing in the acidic range

18.

For solutions of "strong" acids and "strong" bases, the word "strong" refers to:

a)

reactivity

b)

degree of solubility

c)

number of [H+] ions in a solution

d)

concentration

19.

Which pH value signifies the highest hydrogen ion concentration?

a)

8

b)

11

c)

3

d)

5

20.

Which is a potential property of acids?

a)

Has a pH of 4

b)

Turns litmus paper blue

c)

Tastes bitter

d)

Feels slippery

21.

What is the pOH of a 0.027M KOH solution?

a)

1.56

b)

10.83

c)

12.43

d)

14.11

22.

What is the pH of a 1x10-6 M HCl solution?

a)

4

b)

8

c)

6

d)

10

23.
Identify the salt in the following equation:
Zn(OH)2 + HNO3   ---> H2O  + Zn(NO3)2
a)
Zn(OH)2
b)
HNO3
c)
H2O
d)
Zn(NO3)2
24.

Complete the following reaction:

HCl + Mg(OH)2 -->

a)

MgCl2 + H2O

b)

Mg +H2O

c)

MgCl2 + H2

d)

MgCl2 + H2O + CO2

25.
Complete the following reaction:
Hydrochloric acid + magnesium hydroxide --> 
a)
Magnesium chloride + water 
b)
Magnesium + water
c)
Magnesium chloride + hydrogen gas 
d)
Magnesium chloride + water + carbon dioxide 
26.

What is the conjugate acid of NH3?

a)

NH2

b)

NH4+

c)

NOH

d)

NH+

27.
A compound that donates H+ ions is 
a)
A Bronsted-Lowry Acid
b)
An Arrhenius Acid
c)
A Bronsted-Lowry Base
d)
An Arrhenius Base
28.

When acids react with metals what kind of gas is created?

a)

O2

b)

H2

c)

CO2

d)

He

29.
What is the formula for phosphorous acid?
a)
H3PO4
b)
H2PO4
c)
H3P
d)
H3PO3
30.
What is the formula for Hydrosulfuric Acid?
a)
H2(SO3)
b)
H2S
c)
H2(SO2)
d)
H2(SO4)
31.
What is the formula for nitric acid?
a)
HNO2
b)
HNO3
c)
HNO4
d)
H2NO3
32.
Select the formula for the following acid: chloric acid
a)
HClO3
b)
HCl
c)
HClO4
33.

Select the name for the following base: Ca(OH)2

a)

Calcium hydroxide

b)

Calcium (I) hydroxide

34.
Select the name for the following base: Cu(OH)2
a)
Copper (II) hydroxide
b)
Copper (I) hydroxide
c)
Copper (II) hydride
d)
Copper (I) hydride
35.
Forms hydroxide ions as the only negative ion.
a)
Acid
b)
Base
36.
Turns phenolphthalein colorless
a)
Acid
b)
Base
37.
Soap is a weak base.  What is true about the taste of bases?
a)
they taste sour
b)
they taste sweet
c)
they taste bitter
d)
they taste salty
38.
Ammonia has a pH of 12.  Ammonia is __________.
a)
an acid
b)
a base
c)
an element
d)
a metal
39.
When dissolved in water, bases produce:
a)
acids
b)
salts
c)
hydrogen ions
d)
hydroxide ions
40.
What does the pH scale measure?
a)
the concentration of acids and bases
b)
the malleability of a metal
c)
the temperature of the water in a swimming pool
d)
the amount of phosphorus in a compound
41.

A sample of hydrogen at 1.5 atm had its pressure decreased to 0.50 atm producing a new volume of 750 mL. What was its original volume?

a)

245 ml

b)

345 ml

c)

123 ml

d)

250.mL

42.

(Charles Law) There are 40 liters of helium in a balloon at 100 K. If the temperature of the balloon is increased to 200 K, what will the new volume of the balloon be?

a)

80 L

b)

45 L

c)

54 L

d)

45.33 L

43.
If 10L of O2 at 273K and 1 atm is compressed to a 7L container at 250K, what is the new pressure?
a)
1.31 atm
b)
9.16 atm
c)
0.76 atm
d)
6.0 atm
44.
A container holds three gases: oxygen, carbon dioxide, and helium. The partial pressures of the three gases are 2.00 atm, 3.00 atm, and 4.00 atm, respectively. What is the total pressure inside the container?
a)
2 atm
b)
4 atm
c)
3 atm
d)
9 atm
45.

The total pressure of a mixture of oxygen and nitrogen gas is 400.0 kPa. What is the partial pressure of nitrogen if the pressure of oxygen is 150.0 kPa?

a)

400.0 kPa

b)

550.0 kPa

c)

250.0 kPa

d)

101.3 kPa

46.
What is the formula for Gay-Lussac’s Law?
a)
P1/T1 = P2/T2
b)
P1/V1 = P2/V2
c)
T1/P1 = T2/P2
d)
 P1•T1 = P2 • T2
47.
What temperature scale must all temperature measurements be converted to?
a)
Celsius
b)
Fahrenheit
c)
Kelvin
d)
Does not matter
48.
Calculate the volume that a 0.323-mol sample of a gas will occupy at 265 K and a pressure of 0.900 atm.
a)
7.18 L 
b)
7.81 L
c)
4.63 L
d)
4.36 L
49.

What does R stand for

a)

Ideal gas constant

b)

Real gas constant

c)

Temperature constant

d)

Ideal gas law

50.

Mrs. Tate said that one mole of a gas at STP occupies what volume?

a)

.0821 L

b)

62.4 L

c)

22.4 L

d)

6.02 X 1023 L

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