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Worksheets7-5.6 Acids & Bases
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
This is used to measure how acidic or how basic a substance is.
a)
electronic scale
b)
graduated cylinder
c)
pH scale
d)
thermometer
2.
Which of these is a possible range of pH values?
a)
0 to 20
b)
5 to 10
c)
7 to 49
d)
10 to 100
3.
What is the pH value of pure water?
a)
0
b)
3
c)
7
d)
10
4.
Which pH value is the most neutral?
a)
0
b)
3
c)
7
d)
10
5.
Which pH value is the most acidic?
a)
0
b)
3
c)
7
d)
10
6.
How do acids taste?
a)
bitter
b)
sour
c)
sweet
d)
salty
7.
How do bases taste?
a)
bitter
b)
sour
c)
sweet
d)
salty
8.
Which kind of solution would react with a metal?
a)
acidic
b)
basic
c)
neutral
d)
water
9.
Which kind of solution would feel slippery, like soap or detergent?
a)
acidic
b)
basic
c)
neutral
d)
water
10.
If an acid is mixed with a base, what kind of solution will be formed?
a)
acidic
b)
basic
c)
neutral
d)
alkaline
11.
What color will blue litmus paper be after it is dipped in an acid?
a)
blue
b)
red
c)
white
d)
yellow
12.
What color will blue litmus paper be after it is dipped in a base?
a)
blue
b)
red
c)
white
d)
yellow
13.
What color will red litmus paper be after it is dipped in an acid?
a)
blue
b)
red
c)
white
d)
yellow
14.
Phenolphthalein is used to test for the presence of which kind of solution?
a)
Acidic
b)
Basic
c)
Neutral
d)
Water
15.
Phenolphthalein is a pH indicator that turns pink in which kind of solution?
a)
Acidic
b)
Basic
c)
Neutral
d)
Water
16.
All of the following may used to determine the pH of a solution except
a)
litmus paper
b)
phenolphthalein
c)
pH paper
d)
flame test
17.
Unsweetened cocoa has a bitter taste. It is most likely which of the following?
a)
acid
b)
base
c)
neutral
d)
salt
18.
In the pH Analysis Gizmo, which of the following substances is more basic (more alkaline) than ammonia?
a)
baking soda
b)
drain cleaner
c)
orange juice
d)
saliva
19.
In the pH Analysis Gizmo, which of the following substances will turn red litmus paper blue?
a)
stomach acid
b)
orange juice
c)
milk of magnesia
d)
vinegar
20.
In the pH Analysis Gizmo, which of the following substances is most neutral?
a)
bleach
b)
cola
c)
milk
d)
tomato juice
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