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WorksheetsPS Unit 3, Chapter 3 Acids, Bases and Salts
Total questions: 29
Worksheet time: 15mins
Name
Class
Date
1.
Strong bases are slippery to the touch and caustic.
a)
True
b)
False
2.
Bases taste ____________.
a)
sweet
b)
sour
c)
briney
d)
bitter
3.
Bases are used to make household cleaners, soaps, and fertilizers.
a)
True
b)
False
4.
Bases are proton _____________.
a)
donors
b)
acceptors
c)
retrievers
d)
deceivers
5.
A base is a compound that releases _______ ions when it is dissolved in water.
a)
halide
b)
hydrogen
c)
hydroxide
d)
halogen
6.
Acid rain is produced because sulfur dioxide and nitrogen oxide and other industrial waste byproducts react with tiny droplets of water in clouds to become sulfuric and nitric acids (both weak acids).
a)
True
b)
False
7.
Some weak acids are
a)
acetic, boric, hydrochloric
b)
acetic, carbonic, citric
c)
citric, boric, sulfuric
d)
citric, nitric, acetic
8.
Strong acids are good electrolytes and very corrosive.
a)
True
b)
False
9.
The most common acids used in industry are which strong acids?
a)
hydrochloric, sulfuric, nitric
b)
hydrochloric, phosphoric, acetic
c)
sulfuric, carbonic, boric
d)
sulfuric, citric, nitric
10.
The acid that produces many hydrogen ions when dissolved in water is a _______________, but if it produces only a few, then it is a _________________.
a)
strong acid, strong acid
b)
strong acid, weak acid
c)
weak acid, weak acid
d)
weak acid, strong acid
11.
Acids and bases both produce ions, so they are electrolytes, a mixture of chemicals that do not conduct electricity.
a)
True
b)
False
12.
The gradual wearing away of a metal due to a chemical reaction in which the metal is changed into a metallic compound is called _____________.
a)
acid rain
b)
rust
c)
corrosion
d)
copper oxide
13.
Acids react with carbonates (like calcium carbonate or sodium carbonate) to produce _____________.
a)
acetic acid
b)
carbonic acid
c)
calcium chloride
d)
carbon dioxide
14.
Which below is NOT an example of an acid?
a)
baking soda
b)
lemons
c)
vinegar
d)
diet soda
15.
Acids taste ___________.
a)
sweet
b)
sour
c)
bitter
d)
salty
16.
Hydronium ions occur because the positively charged hydrogen atoms of acids are attracted to water molecules.
a)
True
b)
False
17.
Acids are ____________ donors.
a)
proton
b)
neutron
c)
electron
d)
ion
18.
An acid is a compound that releases _____________ ions when it is dissolved in water.
a)
hydronium
b)
hydroxide
c)
halide
d)
hydrogen
19.
Another name for basic is ____________.
a)
alkene
b)
alkane
c)
alkaline
d)
alkaline earth
20.
The pH scale is a series of numbers from 0-14 were 0 is the most basic, 14 is the most acidic, and 7 is neutral.
a)
True
b)
False
21.
Litmus, phenolphthalein, methyl orange, and red cabbage juice are all examples of weak bases.
a)
True
b)
False
22.
A(n) ___________ is a substance that changes color in the presence of an acid or base.
a)
conductor
b)
indicator
c)
insulator
d)
resistor
23.
______________ is a method by which a solution of known concentration is used to determine the unknown concentration of a second solution.
a)
neutralization
b)
corrosion
c)
indication
d)
titration
24.
Salts are compounds formed from (+) base ions and (-) acid ions. They are, themselves, neutral.
a)
True
b)
False
25.
Neutralization is the reaction between acid and water that leaves salt and base.
a)
True
b)
False
26.
Acid + Base = _________ + ___________
a)
base, salt
b)
salt, water
c)
base, water
d)
acid, salt
27.
Some common bases are antacids, ammonia, and baking soda.
a)
True
b)
False
28.
A ________ base produces many hydroxide ions, but a __________ base does not produce as many when dissolved in water.
a)
caustic, strong
b)
strong, caustic
c)
weak, strong
d)
strong, weak
29.
When strong bases are dissolved in water, the reaction is
a)
endothermic
b)
exothermic
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