WorksheetsAcids and Bases Honors
Total questions: 42
Worksheet time: 43mins
Name
Class
Date
1.
Feels slippery.
a)
Acids
b)
Bases
c)
neutral
d)
All
2.
Tastes bitter.
a)
Acids
b)
Bases
c)
Salts
d)
All
3.
Forms hydroxide ions (OH-) in water
a)
Acids
b)
Bases
c)
All
4.
pH less than 7.
a)
Acids
b)
Bases
c)
All
5.
pH greater than 7.
a)
Acids
b)
Bases
c)
All
d)
pure water
6.
The pH scale is based off of the concentration of _________ ions.
a)
Oxygen
b)
Hydrogen
c)
Nitrogen
d)
None of the others
7.
What is a solution that has an excess of hydroxide (OH-) ions?
a)
pH=6.5
b)
acid
c)
neutral
d)
base
8.
An acid/base reaction always produces:
a)
H2
b)
H2O
c)
NaCl
d)
H3O+
9.
BASE + ACID ----> SALT +?
a)
water
b)
oxygen
c)
hydrogen ion
d)
hydroxide ion
10.
An organic substance that changes color in the presence of an acid or base
a)
indicator
b)
inhibitor
c)
catalyst
d)
salt
11.
According to the pH range which substance is more acidic than lemon juice
a)
Hydrochloric acid
b)
cabbage
c)
milk
d)
lye
12.
Which food is the most acidic?
a)
bananas
b)
lemon juice
c)
orange juice
d)
fish
13.
If a solution is basic which ion will be more present?
a)
H+
b)
K+
c)
OH-
d)
H-
14.
A solution contains the same number of H+ ions as it contains OH- ions, what will it be?
a)
Acid
b)
Base
c)
Neutral
15.
If you are burned with a strong base, what should you use to safely neutralize it
a)
vinegar (pH = 4)
b)
water (pH = 7)
c)
ammonia (pH = 9)
d)
baking soda (pH = 10)
16.
This is an image of a.....
a)
strong base
b)
strong acid
c)
weak base
d)
weak acid
17.
This is an image of a .....
a)
strong acid
b)
strong base
c)
weak acid
d)
weak base
18.
This is an image of....
a)
an acid
b)
a base
c)
a neutral solution
19.
The term alkaline represents....
a)
an acid
b)
a neutral solution
c)
a base
20.
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
21.
pH =10
a)
acid
b)
base
c)
neutral
22.
A basic solutions pH is
a)
7
b)
less than 7
c)
greater than 7
d)
between 0-14
23.
A solution is considered an acid if it's pH is
a)
equal to 7
b)
less than 7
c)
greater than 7
d)
greater than 14
24.
Salt water did not react with the Red or Blue litmus paper. This must mean
a)
Salt water is a Base
b)
Salt water is an Acid
c)
Salt water is neutral
d)
Salt water is charged
25.
Changes the color of indicators.
a)
Acids
b)
Bases
c)
All
26.
Turns litmus red
a)
Acids
b)
Bases
c)
All
27.
Turns litmus blue.
a)
Acids
b)
Bases
c)
Salts
d)
All
28.
What is shown here?
a)
a hydronium ion
b)
a hydroxide ion
c)
a water molecule
d)
an acid
29.
Acid + Base ₋-->
a)
salt + hydrogen
b)
salt + water
c)
salt + carbon dioxide + water
d)
salt
30.
HCl + NaOH →
a)
NaH + ClOH
b)
NaCl + H2
c)
NaCl + H2O
d)
NaCl + Cl2
31.
The pH scale measures ____ and ____
a)
acidity and basic
b)
the temperature
c)
how fun a chemistry quiz is
d)
none of the above
32.
Ion
a)
A charged particle or atom
b)
Compound formed between a metal and a nonmetal
c)
Any group of compounds that produce H+
d)
Any group of compounds that produce OH-
33.
Acid
a)
Any group of compounds that produce H+ ions
b)
Any group of compounds that produce OH- ions
c)
Ionic compound formed between a metal and a nonmetal
d)
A charged particle, atom, or ion
34.
Base
a)
Any group of compounds that produce H+ ions
b)
Any group of compounds that produce OH- ions
c)
Ionic compound formed from a metal and a nonmetal
d)
A charged particle, atom, or ion
35.
Concentration
a)
The reaction between an acid and a base which produces salt and water
b)
Compound formed by a metal and a nonmetal
c)
The amount of solute per unit of solution
d)
Liquid indicator that changes pink in the presence of a base
36.
Indicator
a)
Liquid indicator that changes pink in the presence of a base
b)
A type of paper used to indicate the presence of acids and bases
c)
a chemical that changes color in the presence of acids and changes a different color in the presence of bases
d)
the amount of solute dissolved in solution
37.
Litmus Paper
a)
Liquid indicator that changes pink in the presence of a base
b)
A type of paper used to indicate the presence of acids and bases
c)
a chemical that changes color in the presence of acids and changes a different color in the presence of bases
d)
the amount of solute dissolved in solution
38.
Neutralization
a)
Compound formed by a metal and a nonmetal
b)
The reaction between an acid and a base which produces a salt and water
c)
A chemical whose color changes in the presence of acids and bases
d)
To decrease the amount of solute as compared to the amount of solvent in a solution
39.
Which of the following is an acid?
a)
Ammonia
b)
Drain cleaner
c)
Shampoo
d)
Orange
40.
Which of the following statements is true concerning acids and bases?
a)
acids and bases don't react with each other
b)
acids mixed with bases neutralize each other
c)
acids mixed with bases make stronger bases
d)
acids mixed with bases make stronger acids
41.
Which is the correct set of acid properties, as described by Boyle:
a)
sour taste, corrosive, change litmus from red to blue
b)
sour taste, corrosive, change litmus from blue to red
c)
sweet taste, slippery, change litmus from blue to red
d)
sour taste, slippery, change litmus from blue to red
42.
What is the approximate pH of seawater?
a)
2
b)
5
c)
7
d)
9
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