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7.1 & 7.2 Acids, Bases, Salts, & pH Notes Practice

Total questions: 50

Worksheet time: 50mins

Name
Class
Date
1.

Rate your understanding of Acids, Bases, & Salts.

a)

1* I am super lost

b)

2** I get some things but not others

c)

3*** I feel pretty good; I just need more practice

d)

4**** I feel super Confident

2.

Substance that produces hydrogen ions (H+) in a solution

a)

Acid

b)

Base

c)

Indicator

d)

Neutralization

e)

Salt

3.

Substance that produces Hydroxide ions (OH-)

a)

Acid

b)

Base

c)

Indicator

d)

Neutralization

e)

Salt

4.

Organic compound that changes color in the presence of Acids or Bases

a)

Acid

b)

Base

c)

Indicator

d)

Neutralization

e)

Salt

5.

Chemical reaction between an acid and a base in a water solution

a)

Acid

b)

Base

c)

Indicator

d)

Neutralization

e)

Salt

6.

Compound formed when negative ions of an acid combine with positive ions from a base

a)

Acid

b)

Base

c)

Indicator

d)

Neutralization

e)

Salt

7.

From the following choose which ones are properties of acids

a)

Sour taste

b)

electrolytes

c)

feels slippery

d)

bitter taste

e)

corrosive

8.

From the following choose which ones are properties of a base

a)

Sour taste

b)

conducts electricity

c)

feels slippery

d)

bitter taste

e)

corrosive

9.

From the following choose which ones are properties of both an acid and a base

a)

reacts with indicator

b)

contains electrolytes

c)

feels slippery

d)

bitter taste

e)

corrosive

10.

Rate your understanding of Acids, Bases, & Salts.

a)

1* I am super lost

b)

2** I get some things but not others

c)

3*** I feel pretty good; I just need more practice

d)

4**** I feel super Confident

11.
Many cleaning solutions are bases. Which of the following is a property of most bases?
a)
feels slippery
b)
white color
c)
can only be liquid
d)
tastes sour
12.

These terms refer to the ease with which an acid or based dissociates in a solution

a)

strong

b)

weak

c)

dilute

d)

concentrated

13.

These terms are used to indicate the amount of acid or base dissolved in a solution

a)

strong

b)

weak

c)

dilute

d)

concentrated

14.

measure of concentration of H+ ions in a solution

a)

strong

b)

weak

c)

pH

d)

neutral

15.

pH scale ranges of 0-6 are considered (a)  

16.

pH scale ranges of 8-14 are considered to be (a)  

17.

What number represents neutral on the pH scale?

(a)  

18.
Which is the stronger acid?
a)
pH 1
b)
pH 4
c)
pH 8
d)
pH 13
19.
What is a base?
a)
Has a pH of 3
b)
Has a pH of 7
c)
substances that are slippery to the touch; turns red litmus paper blue
20.
What is an acid?
a)
a chemical substance that neutralizes alkalis, dissolves some metals, and turns litmus paper red
b)
Has a pH of 11
c)
Has a pH of 7
21.

Rate your understanding of Acids, Bases, & Salts.

a)

1* I am super lost

b)

2** I get some things but not others

c)

3*** I feel pretty good; I just need more practice

d)

4**** I feel super Confident

22.
According to the pH range which substance is more acidic than lemon juice
a)
Hydrochloric acid
b)
cabbage
c)
milk
23.

Acids are __________, which means they "eat away" at other materials.

a)

transitional metal

b)

alkaline

c)

flammable

d)

corrosive

24.

What range of values on the pH scale represent solutions with a higher ratio of hydroxide (OH-) ions?

a)

below 7

b)

7

c)

above 7

d)

0-14

25.
Which of the following is most likely to be basic:
a)
Lemon juice
b)
Vinegar
c)
Laundry detergent
d)
Coke
26.
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
27.
Which of these pH values would indicate that a solution is a weak base?
a)
4
b)
5.6
c)
8
d)
13
28.

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)

acid pH less than 7

b)

acid pH greater than 7

c)

base pH less than 7

d)

base pH greater than 7

29.

The pH of a solution is tested, and it is found to be a basic solution. Of the following choices, what could the pH have been?

a)

3

b)

7

c)

9

d)

5

30.

What would be considered the weakest base?

a)

8

b)

7.8

c)

11.6

d)

14

31.

pH is the measure of the concentration of ______.

a)

Acids

b)

H+ ion

c)

OH- ion

d)

Base

32.

Rate your understanding of Acids, Bases, & Salts.

a)

1* I am super lost

b)

2** I get some things but not others

c)

3*** I feel pretty good; I just need more practice

d)

4**** I feel super Confident

33.

If a solution is basic which ion will be more present?

a)

H+

b)

K+

c)

OH-

d)

H-

34.

Stronger acids have a pH closer to...

a)

7

b)

14

c)

0

d)

9

35.

Weaker bases have a pH closer to...

a)

8

b)

14

c)

0

d)

4

36.

The pH scale is a range from:

a)

1-7

b)

1-5

c)

0-14

d)

1-14

37.

Which of the following is true about acids and bases?

a)

The lower the pH #, the stronger the acid

b)

the higher the pH #, the stronger the acid

c)

The lower the pH #, the more neutral the acid

d)

The higher the pH #, the weaker the base

38.

In a test of pH levels, a baking soda has a pH of 9 and bleach has a pH of 12. What is true about there relationship?

a)

Both of the solution are bases

b)

Both of the solution are acids

c)

The Baking soda is an acid and the Bleach is a base

d)

The baking soda is a base and the Bleach is an acid.

39.
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
40.

A chemical has a pH = 6. It would be best described as

a)

Strong acid

b)

Strong base

c)

Weak acid

d)

Weak base

41.

Substances like dark chocolate that have a bitter taste, usually indicates that it would be classified as a

a)

Acids

b)

Bases

c)

Salts

d)

All

42.

Rate your understanding of Acids, Bases, & Salts.

a)

1* I am super lost

b)

2** I get some things but not others

c)

3*** I feel pretty good; I just need more practice

d)

4**** I feel super Confident

43.
Bleach is a strong base, what is the pH level of bleach?
a)
13
b)
14
c)
1
d)
2
44.

What is more acedic than coffee and less acidic than Vinegar?

(a)  

45.

What is the strongest base on the scale?

(a)  

46.

list any item that is considered a weak base?

(a)  

47.

list any item that is considered a strong base?

(a)  

48.

list any item that is considered a strong acid?

(a)  

49.

list any item that is considered a weak acid?

(a)  

50.

Rate your understanding of Acids, Bases, & Salts.

a)

1* I am super lost

b)

2** I get some things but not others

c)

3*** I feel pretty good; I just need more practice

d)

4**** I feel super Confident

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