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4/23 IPC QUIZ-Acids & Bases TAKE UNTIL 100%

Total questions: 25

Worksheet time: 25mins

Name
Class
Date
1.

Which of the following is the strongest base?

a)

oven cleaner - 13.5

b)

lemon juice - 2.5

c)

soap - 10

d)

blood - 7.4

2.

Which of the following is the weakest base?

a)

oven cleaner - 13.5

b)

lemon juice - 2.5

c)

soap - 10

d)

blood - 7.4

3.

Which of the following is the strongest acid?

a)

oven cleaner - 13.5

b)

lemon juice - 2.5

c)

soap - 10

d)

blood - 7.4

4.

Which of the following is the strongest base?

a)

soap - 10

b)

HCL - 0

c)

blood - 7.45

d)

soft drink - 3

5.

A scientist runs tests on an unknown substance. He finds that it is extremely corrosive. It produces H+ ions in solution. And, it has a pH of 1. What type of substance has he identified?

a)

weak acid

b)

strong acid

c)

weak base

d)

strong base

6.
Ammonia has a pH of 12.  Ammonia is __________.
a)
an acid
b)
a base
c)
an element
d)
a metal
7.
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
8.
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
9.
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
10.
Which statement is true when acids and bases are mixed together?
a)
acids become stronger
b)
bases become stronger
c)
there is no change
d)
they neutralize each other
11.
Litmus paper can tell you if a solution is acidic, neutral or basic by changing color when placed in a solution.  If you test a base with litmus paper, it will turn ____________.
a)
purple
b)
red
c)
blue
d)
pink
12.
What is the pH of a neutral substance?
a)
0
b)
5
c)
7
d)
10
13.

A substance is found to have the following characteristics:


Very bitter taste

Feels slippery to the touch

Produces OH- ions when dissolved in water


In what category would the substance be classified?

a)

acid

b)

base

c)

enzyme

d)

fatty acid

14.

Phenolophalein turns from clear to pink when the pH turns

a)

acidic

b)

basic

c)

saline

d)

ionic

15.
Which of the following is a base?
a)
orange juice
b)
water
c)
vinegar
d)
dishwashing detergent
16.
 Which of the following is an acid?
a)
shampoo
b)
baking soda
c)
orange juice
d)
water
17.
Pure water has a pH of 7. Pure water _______.
a)
is a base
b)
is a neutral substance
c)
could be either an acid or a base
d)
is an acid
18.
Which type of ion does a base produce when it is dissolved in water?
a)
oxide
b)
oxygen
c)
hydrogen
d)
hydroxide
19.
On the pH scale what numbers are bases?
a)
8-14
b)
0-7
c)
7
d)
1
20.
On the pH scale what numbers are acids?
a)
8-14
b)
0-7
c)
7
d)
1
21.
The pH scale measures...
a)
...the strength of an acid.
b)
...the strength of hydrogen ions.
c)
...the concentration of hydrogen ions.
d)
...the concentration of an acid
22.
Tastes Sour
a)
Acids
b)
Bases
c)
Salts
d)
All
23.
What was red cabbage juice used as in the lab we performed?
a)
as an acid
b)
as a base
c)
as a colorant
d)
as an indicator
24.

Which of these options correctly represents the colors cabbage juice indicator turns?

a)

Acid- Red, Base- Green

b)

Acid- Purple, Base- Red

c)

Acid- Green, Base- Purple

d)

Acid- Red, Base- Purple

25.

The reason that Antacids, like tums, work is because they create a neutralization reaction. This is because antacids are

a)

Indicators

b)

acids

c)

bases

d)

neutralizers

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