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Worksheets11-13 SUPRISE Quick TEST II !
Total questions: 72
Worksheet time: 1hrs 13mins
A substance that is 3 on the pH scale would be a(n):
acid
base
neutral
solute
Which is the correct set of acid properties, as described by Boyle:
sour taste, corrosive, change litmus from red to blue
sour taste, corrosive, change litmus from blue to red
sweet taste, slippery, change litmus from blue to red
sour taste, slippery, change litmus from blue to red
Vinegar, fruit juice, and cola are examples of:
strong acids
strong bases
strong bases
weak acids
NaOH may be found in drain cleaners and as a component of soaps. Is NaOH an acid or a base?
Acid
Base
Neither (Neutral)
Is laundry detergent an acid or a base?
Acid
Base
Neither (Neutral)
HCl is found in household products, including some toilet bowl cleaners. Is HCl an acid or a base?
Acid
Base
Neither (Neutral)
Milk is a very weak acid. What might its pH value be?
6.5
7.8
4.2
12.2
When acids react with metals, they produce hydrogen gas and salt.
True
False
The higher the concentration of negative (hydroxide) ions in the solution, the stronger the base is.
True
False
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+
According to Bronsted-Lowry, what is the definition of an BASE?
a substance that donates a hydrogen (H+) ion
a substance that donates a hydroxide (OH-) ion
a substance that accepts a hydrogen (H+) ion
a substance that accepts a hydroxide (OH-) ion
What is being donated/accepted between conjugate acid-base pairs?
a hydrogen (H+) ion
a hydroxide (OH-) ion
water
a neutron
What is the conjugate base in the following reaction?
HCO3-
HCl
H2CO3
Cl-
Which of the following is an Arrhenius Acid?
LiOH
CO32-
OH-
H3PO4
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
An arrhenius acid
produces hydroxide ions in a solution
is a proton donor
produces hydrogen ions in a solution
is a proton acceptor
An arrhenius base
produces hydroxide ions in a solution
is a proton donor
produces hydrogen ions in a solution
is a proton acceptor
The table shows the pH of several solutions. Which solution has the greatest concentration (amount) of H+ ions?
vinegar
milk
water
bleach
Match
H+
Acid
OH-
Base
NaCl
Salt
Match the following
higher than 7
base
lower than 7
acid
7
neutral
Match these
strongly acidic
3.3 mountain dew
slightly acidic
6.7 milk
strongly basic (alkaline)
13 ammonia
slightly basic (alkaline)
7.35 human blood
pH 25
acid
base
neutral
doesn't exist
Bases, also known as (a) will turn litmus paper (b) . This is because they have a pH (c) . They taste (d) .
Acids, also known as (a) , will turn litmus paper (b) . This is because they have a pH (c) . They taste (d) .
Match the following
10
base
5
acid
salt
neutral
Which solute is the most soluble at 10 ⁰C?
KI
NH3
KClO3
NH4Cl
How many grams of SO2 can dissolve at 50 ⁰C?
5 g
10 g
20 g
39 g
How would you describe a solution where the plotted point falls below the line on a solubility curve?
saturated
unsaturated
super saturated
H2O is a ________ molecule.
polar
nonpolar
ionic
metallic
In cohesion, water molecules attract...
other molecules.
each other.
to nothing.
In adhesion, water molecules attract...
other molecules.
each other.
to nothing.
What of these is always soluble?
Nitrates
Phosphates
Carbonates
Hydroxides
Which of the following compounds is insoluble?
magnesium sulfide
magnesium phosphate
sodium iodide
sodium nitrate
Which of these is a balanced double replacement reaction?
Al2O3 (s) + 3 CO2 (g) --> Al2(CO3)3
Ba(OH)2 (s) → BaO (s) + H2O (aq)
2 KF(aq) + Ca(NO3)2 (aq) → CaF2 (s) + 2 KNO3 (aq)
2 AgClO3 (aq) + Cu (s) --> Cu(ClO3)2 (aq) + 2 Ag (s)
Na3PO4 (s) is a soluble compound. When one mole of this compound dissociates in water, it forms -
1 mole of Na+ (aq) and 1 mole of PO43- (aq)
3 moles of Na+ (aq) and 1 mole of PO43- (aq)
1 mole of Na+ (aq), 1 mole of P3-(aq), and 4 moles of O2- (aq)
3 moles of Na+ (aq), 1 mole of P3- (aq), and 4 moles of O2- (aq)
Mixing Fe(NO3)2 (aq) and Na2CO3 (aq) causes an orange precipitate to form. What is the chemical formula of the precipitate?
Fe(NO3)2 (s)
FeCO3 (s)
NaNO3 (s)
Na2(NO3)2 (s)
Mixing Al(NO3)3 (aq) and NH4OH (aq) results in the formation of a white precipitate. What is the molecular equation for this reaction?
Al3+ (aq) + 3 OH- (aq) → Al(OH)3 (s)
Al(NO3)3 (aq) + 3 NH4OH (aq) → Al(OH)3 (s) + 3 NH4NO3 (aq)
NH4OH (aq) → NH4+ (aq) + OH- (aq)
Al(NO3)3 (aq) → Al3+ (aq) + 3 NO3-(aq)
Predict the product(s) of this reaction (Don't worry about balancing the equation)
Pb(NO3)2 + KI →
PbK(s) + INO3(aq)
No Reaction
PbI2(s) + KNO3(aq)
PbI2(aq) + KNO3(s)
Predict the products of the following equation.
PbCl2 + AgNO3 ---->
AgCl(s) + Pb(NO3)2(aq)
No Reaction
AgCl(aq) + Pb(NO3)2(s)
AgCl(s) + PbNO3(aq)
Predict the products fo the following equation.
CuCl2 + H2S ---->
CuS(s) + HCl(aq)
Cu2S(s) + HCl(aq)
No reaction
CuS(s) + HCl(s)
Predict the products of the following reaction.
H2SO4 + BaCl2 ---->
BaSO4(s) + HCl(aq)
BaSO4(aq) + HCl(s)
No Reaction
ClSO4(aq) + BaH(s)
How does this factor affect the solubility of a SOLID?
Increasing temperature
More soluble
Less soluble
No effect
How does this factor affect the solubility of a GAS?
Increasing air pressure
More soluble
Less soluble
No effect
Which of the following could allow you to dissolve more solute in a saturated solution
Heating it
Cooling it
Stirring it
Adding more solvent
Saturation is...
When the concentration of solute is very high
When it is no longer possible to dissolve more solute in the solvent.
When the concentration of solute is very low
When the solute is insoluble in the solvent
A sugar solution has a pH of 7. This means the sugar solution is:
acidic
basic
neutral
What is the formula for hydrobromic acid acid?
HBr
HB
HBrO3
HBO3
Write the formula of the following compound.
Magnesium hydroxide.
Mg(OH)3
Mg(OH)2
MgOH
Name the following compound.
FrOH
Francium monohydroxide
Francium hydroxide
Monofrancium monohydroxide
