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WorksheetsChapter 8: Solutions
Total questions: 37
Worksheet time: 19mins
In order for a solution to form
a solid must dissolve in a liquid
the solvent must be water
a gas must dissolve in a liquid
one substance must dissolve in another
During the formation of a solution, energy is
neither released nor absorbed
released only
absorbed only
either released or absorbed
If you dissolve equal amounts of salt in warm water, room temperature water, and ice water
the salt will dissolve most quickly in room-temp water
the salt will dissolve most quickly in the ice water
will dissolve most quickly in warm water
None of the above
A solution that contains more solute than it would normally hold at a given temperature is said to be
unsaturated
supersaturated
concentrated
saturated
Which of the following is NOT a property of an acid?
usually reacts with metal
changes the color of an indicator
feels slippery
tastes sour
Which of the following is NOT a common property of bases?
tastes bitter
reacts with metals
changes colors of indicators
feels slippery
A base is defined as a compound that produces
hydrogen ions in solution
hydronium ions in solution
sodium ions in solution
hydroxide ions in solution
In order to calculate molarity of a solution, you need to know the moles of solute and the
volume of the solution
mass of the solution
volume of the solute
volume of the solvent
The maximum amount of solute that will dissolve in a solution at a given temperature is
concentration
degree of saturation
rate of solution
solubility
The rate of dissolving of a rock in a stream would be increased by all of the ollowing EXCEPT
moving the rock to a faster-moving current
moving the rock to warmer water
reducing the exposure of the rock to water
breaking the rock into smaller pieces
A salt is dissolved in water. The boiling point of the water will be
less than 100oC
exactly 100oC
exactly equal to 0oC
greater than 100oC
A salt that is formed during the reaction between KOH and HCl would be
H2O
KCl
K2Cl
NaCl
Ammonia, NH3, can be classified as a base because it will
produce hydronium ions
donate a proton and become NH2-
accept a proton and become NH4+
produce hydroxide ions in solution
A small amount of acid is added to a buffer solution. The pH of the solution will
increase
stay about the same
become neutral
decrease
A compound has a pH of 1 in solution, where it has completely ionized. The compound is a
strong base
weak base
strong acid
weak acid
An acid can be defined as a
proton donor
proton acceptor
neither a proton donor or acceptor
both a proton donor and acceptor
When sugar is dissolved in water, water is the ___________ and sugar is the _______________.
solute, solvent
solvent, solute
both are solutes
both are solvents
The physical properties of a solution that can differ from those of its solute and solvent include
freezing point
boiling point
conductivity
all of the above
Table salt is ___________ soluble is cold water than in warm water.
less
more
If a saturated solution of sugar water is heated, the solution will become
supersaturated
saturated
unsaturated
concentrated
When a substance donates a + during a chemical chemical reaction, the substance can be classified as
a base
neutral
an acid
a compound
Many foods are acidic, but they do not hurt you because they contain ____________ acids.
weak
strong
neutral
pH
The pH of a solution describes the amount of _____________________ in solution.
hydroxide ions
hydrogen ions
sodium ions
hydronium ions
An acid produces ______________ when dissolved in water.
hydroxide ions
hydronium ions
sodium ions
hydrogen ions
The statement "203.9 g of table sugar will dissolved in 100 g of water" is not complete because
concentration is not mentioned
solubility is not mentioned
solution is not mentioned
temperature is not mentioned
A food packet releases energy when the solute is dissolved. This process is described as
endothermic
exothermic
When a substance dissolved in water by breaking into smaller pieces and spreading out, it is
going through dissociation
going through dispersion
going through ionization
going through a chemical change
During ____________________, ions form during the formation of a solution.
dissociation
dispersion
ionization
inovation
During ________________, the ions in an ionic compound separate when dissolving.
dissociation
dispersion
ionization
desperation
If you place a drop of solution on blue litmus paper and it doesn't change color, it is a(n)
base
acid
either an acid or a base
you can't tell without further testing
If a material is a base, the pH is
below 7
above a 7
equal to 7
off the charts
Most household cleaners are
bases
acids
neutral
none of the above
If you have an acid with a pH of about a 3, you would need a base with a pH of ______ in order to neutralize it.
7
4
11
14
A(n) ____________________ is a solution that is resistant to large changes in pH.
aqueous
base
acid
buffer
What are the products of a neutralization reaction?
a salt
water
both salt and water
nothing, it's neutral
A substance that contains the maximum amount of solute that a solution can hold at a given temperature is said to be
unsaturated
saturated
supersaturated
molarity
In an exothermic reaction, the energy required to break the bonds of the solute and solvent
is greater than the energy released during the formation of products
is equal to the energy released during the formation of product
is greater than or equal to the energy released during the formation of products
is less than the energy released during the formation of products
