WorksheetsU8 Acids and Bases - Zeph
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
If a substances chemical formula begins with an H it is most likely a(n)
a)
acidic substance
b)
basic substance
c)
neutral substance
d)
combustible substance
2.
While observing a substance, a scientists decides to dip litmus paper in it. The process results in the litmus paper turning RED, therefore the substance is
a)
Acidic
b)
Basic
3.
If the pH of a substance shows that the substance is acidic then the pH was most likely
a)
7
b)
3
c)
12
d)
16
4.
Gastric juices are
a)
Acidic
b)
Basic
c)
Sulfuric
d)
Neutral
5.
A food tastes very sour. This is most likely because the food is
a)
Acidic
b)
Basic
c)
Neutral
d)
high on the pH scale
6.
A substance is known to be Triprotic. This means the substance
a)
has a pH of 3
b)
has 3 hydrogens
7.
A substances pH is found to be 12. This means the substance is
a)
Basic
b)
Acidic
c)
Neutral
d)
Radioactive
8.
If a substance contains Hydroxide ions then it is
a)
Basic
b)
Acidic
c)
Nuetral
d)
Non-Polar
9.
Which of these is slightly acidic?
a)
Bananas
b)
Stomach acid
c)
Baking soda
d)
Bleach
10.
What does the pH scale measure?
a)
Hydrogen
b)
Helium
c)
Density
d)
Polarity
11.
What would be the pH of a substance with a molar concentration of 0.0001
a)
4
b)
5
c)
3
d)
6
12.
Bases taste very
a)
Sour
b)
Bitter
c)
Salty
d)
Gritty
13.
What are the reactants in a neutralization reaction?
a)
Salt and Water
b)
Acid and Base
c)
Acid and Water
d)
Base and Water
14.
Things used to measure pH, like litmus paper, are known as
a)
Indicators
b)
Scales
c)
Slips
d)
Informants
15.
A substance is found to have a pH of 8.5, therefore it is
a)
Basic
b)
Acidic
16.
What is the pH of substance Y based off of the given information
Y= 1 x 10-5M
Y= 1 x 10-5M
a)
5
b)
10
c)
1
d)
-5
17.
What is the pOH of the substance W based off of the given information pH of W= 1 x 10-3M
a)
11
b)
3
c)
-3
d)
10
18.
What pH value would fit best in the Neutral spot?
a)
7
b)
8
c)
0
d)
10
19.
The pH scale ranges from
a)
0-14
b)
1-7
c)
7-14
d)
3-12
20.
When using indicators the pH is shown by the indicator changing
a)
volume
b)
density
c)
color
d)
temperature
100 %
