WorksheetsAcid-Base Properties and Theories
Total questions: 50
Worksheet time: 4hrs 10mins
Identify the Acid in the above reaction.
In the equation below, what is the Bronsted Lowry acid?
HCl + NH3 --> Cl- + NH4+
HCl
NH3
Cl-
NH4+
A sour taste is a characteristic of:
acids
bases
neutral
pH scale
Which is a characteristic of a base?
tastes sour
found mostly in foods
feels slippery
turn litmus paper red
According to Arrhenius, what is the definition of an ACID?
a substance that contains hydroxide and ionizes to produce OH-
a substance that contains hydrogen and ionizes to produce H+
a substance that contains hydrogen and ionizes to produce OH-
a substance that contains hydroxide and ionizes to produce H+
NaOH is:
an Arrhenius base
an Arrhenius acid
neither an acid nor a base
both an acid and a base
Which of the following will conduct electricity? Select all that apply
Acidic solutions
Basic solutions
Ionic solutions
Neutral covalent solutions
Which of the following are properties of acids but not bases? Select all that apply.
Changes the color of an indicator
Sour taste
Reacts with metals to produce hydrogen gas
Feels slippery
Neutralization is the process of an acid and a base reacting to form what? Select all that apply
An ionic salt
Hydronium ions
NaCl
Water
When using the Arrhenius model, what types of ions indicate that a compound is a base?
H+1
OH-1
What is a titration?
when the moles of hydrogen ions is equal to the moles of hydroxide ions
adding a known amount of solution of known concentration to determine the concentration of an unknown
reaction in which an acid and a base react in an aqueous solution to produce a salt and water
the extent of ionization of an acid or base
Identify the products of the following reaction:
CaCO3 + 2HCl -->
Calcium hydrogen carbonate and chlorine gas
Calcium chloride and water
Calcium oxide, carbon dioxide and water
Calcium chloride, carbon dioxide and water
Four substances were tested for pH, lemon juice (pH 2), baking soda (pH 9), bleach (pH 12), and milk (pH 6). Which of the following correctly lists the substances from most basic to acidic?
lemon juice, milk, baking soda, bleach
bleach, baking soda, milk, lemon juice
milk, lemon juice, baking soda, bleach
baking soda, bleach, lemon juice, milk
Which of these is a property of acidic solutions?
they taste sour
they feel slippery
they are in many cleaning products
they taste bitter
Black coffee has a pH of 5. It is a ________ ____________
Weak
Strong
Acid
Base
A sugar solution does not change the color of both blue and red litmus paper. This means the sugar solution is a ________.
acid
base
neutral
What type of reation occurs between an acid and a base?
Combustion
Synthesis
Neutralization
Double Replacement
What are the products of a neutralization reactions
water
salt
acid
base
A type of chemical that forms solutions that taste sour, due to high concentrations of positive hydrogen ions
acid
base
salt
pH
Scale that ranges from 1- 14
acid
base
salt
pH
What is considered to be in the middle of the pH scale
acidic
neutral
basic
indicator
Zn(OH)2 + HNO3 ---> H2O + Zn(NO3)2
What is the endpoint of a titration
Where the amount of acid and base are equal as shown by a color change
Where there is no base
When the volume of base in the burette is used up
When there is no acid
... are used to neutralise acid in the stomach.
Toothpastes
Bacterias
Antacids
More strong acids
HSO4-(aq) + H2O(l) → H3O+(aq) + SO42-(aq)
Identify the Brønsted-Lowry acid in the above reaction.
HSO4-
H2O
H3O+
SO42-
