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Conjugate Acids/Bases Ch10

Total questions: 17

Worksheet time: 11mins

Name
Class
Date
1.

Which compound is the conjugate acid? (Hint: Determine the base)

PO43- + HNO3 ==> NO3- + HPO42-

a)

PO43-

b)

HNO3

c)

NO3-

d)

HPO42-

2.

Which compound is the conjugate base?

HCO3- + HCl ==> H2CO3 + Cl-

a)

HCO3-

b)

HCl

c)

H2CO3

d)

Cl-

3.

Which of the following would you expect to react with metal, taste sour, and turn litmus paper red?

a)

NaOH

b)

NH3

c)

LiOH

d)

HCl

4.

Which one of the following will turn litmus paper blue, taste bitter, and feel slippery?

a)

HCl

b)

HF

c)

NaOH

d)

H2O

5.

NH3 + H2O --> NH4+ + OH-

What is H2O in this reaction?

a)

acid

b)

base

c)

conjugate acid

d)

conjugate base

6.

In the reaction below, H2O is a(n):

H2SO3 + H2O --> H3O+ + HSO3-

a)

base

b)

acid

c)

conjugate acid

d)

conjugate base

7.
In the reaction HCl + H2O --> H3O+ + Cl-, what is the conjugate acid?
a)
HCl
b)
H2O
c)
H3O+
d)
Cl-
8.
What are properties of acids?
a)
Bitter, slippery, ph above 7
b)
Sour, reacts with metals, ph below 7
c)
Sour, reacts with metals, ph above 7
d)
Bitter, ph of 7, does not react with metals
9.
What are properties of a base?
a)
Slippery, bitter, does not react with metals, pH above 7.
b)
Slippery, bitter, reacts with metals, pH below 7.
c)
Sour, reacts with metals, pH below 7
d)
Sour, reacts with metals, pH above 7.
10.

A solution with a pH of 8

a)

Acid

b)

Base

c)

Neutral

d)

Concentrated

11.

Coffee, soda, and vinegar

a)

acids

b)

bases

c)

neutral

d)

heterogeneous mixtures

12.

CO32- +H2O → HCO3-+OH-

Which compound is the conjugate base?

a)

CO32-

b)

H2O

c)

HCO3-

d)

OH-

13.
HSO4- + H2O → H3O++ SO42-
Identify the Acid in the above reaction.
a)
HSO4-
b)
H2O
c)
H3O+
d)
SO42-
14.

A wasp sting is basic. Which substance would neutralize the sting?

a)

Vinegar

b)

Bleach

c)

Baking soda

d)

Shampoo

15.

Which substance is an acid?

a)

Drain cleaner

b)

Bleach

c)

Orange juice

d)

Dish soap

16.

Acid in our stomach:

a)

Hydrochloric acid

b)

Sulfuric acid

c)

Acetic acid

d)

Carbonic acid

17.

The breaking apart of a compound into electrically charged atoms or molecules.

a)

ionization

b)

neutralization

c)

equilibrium

d)

electrification