wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

4CA 6 Weeks Review

Total questions: 15

Worksheet time: 13mins

Name
Class
Date
1.

Which of the following is true about acids?

a)

Accepts Protons, creates OH- in water, turns litmus paper blue

b)

Donates Protons, creates H+ in water, turns litmus paper red

c)

Accepts protons, creates OH- in water, turns litmus paper red

d)

Donates protons, creates H+ in water, turns litmus paper blue

2.

The base Ca(OH)2 neutralizes the acid HBr. What salt is created?

a)

CaH2

b)

CaO2

c)

CaBr2

d)

CaH2Br

3.

What is the pH of a chemical that has a hydrogen concentration of 3.9 x 10-4

a)

4.52

b)

8.53

c)

3.41

d)

1.36

4.

What is the pH of a sprite soda that has a hydrogen ion concentration of 5.6 x 10-4?

a)

3.25

b)

2.53

c)

10.75

d)

6.84

5.

Two bases of equal concentration, the weaker base has

a)

Less Hydronium concentration

b)

A greater hydroxide concentration

c)

a higher pH

d)

A lesser hydroxide concentration

6.

HCl has a bond strength of 431.62 and HBr has a bond strength of 366.35. Which acid would be better at conducting electricity? Why?

a)

HCl, because it is harder to dissociate allowing electricity to have more space to pass in water

b)

HBr, it dissociates easier in water creating more ions to pass electricity

c)

Both would have the same conductivity

7.

A base that "dissociates into hydroxide OH- ions in water" is best defined as a:

a)

Arrhenius Base

b)

Bronsted-Lowery Base

c)

Operational Base

d)

Chemical combustion change

8.

A titration is completed between Ca(OH)2 + HNO3 what reaction would the reaction result in?

a)

Ca(OH)2 + 2HNO3 --> CaH + 2NO3OH

b)

Ca(OH)2 + 2HNO3 --> 2H2O2 + CaNO3

c)

Ca(OH)2 + 2HNO3 --> 2H2O + Ca(NO3)2

d)

Ca(OH)2 + 4HNO3 --> CaO + 2H3NO3

9.

The [H3O+] concentration of a solution is 5.1 x 10-9. The solution has a pH of-

a)

2.98, which is acidic

b)

11.35, which is acidic

c)

8.29, which is acidic

d)

8.29, which is basic

10.
Which of the following word pairs correctly completes the sentence below?
_______ are corrosive substances characterized as having a strong smell, a sour taste, and a _______.
a)
Acids; pH less than 7
b)
Acids; pH greater than 7
c)
Bases; pH greater than 7
d)
Bases; pH less than 7
11.
Holly has an unknown substance in a beaker. She wants to determine the relative pH of the unknown substance. She places a piece of blue litmus paper into the substance, and the litmus paper stays blue.
The substance in the beaker
a)
is a base.
b)
has a neutral pH.
c)
is an acid.
d)
does not have a pH.
12.
Human blood has a pH between 7.35 and 7.45. Which of the following best describes human blood?
a)
strongly acidic
b)
slightly acidic
c)
strongly basic
d)
slightly basic
13.
The pH of a 0.001 M solution of HCl is 
a)
11
b)
3
c)
-3
d)
-11
14.
BASE + ACID ----> SALT +?
a)
water
b)
oxygen
c)
hydrogen ion
d)
hydroxide ion
15.
Accepts a proton (H+ hydrogen ion) 
a)
Lewis Base
b)
Arrhenius Base
c)
Bronstead Lowry Base
d)
Lewis Acid