NEW
Font size
WorksheetsUnit 5 Solutions Review
Total questions: 41
Worksheet time: 34mins
The substance that dissolves in a solution.
concentration
solute
saturated solution
solvent
A solution that contains the maximum amount of solute.
saturated solution
unsaturated solution
supersaturated solution
pH
A solution that exceeds the maximum amount of solute that should be dissolved in the solvent at that temperature.
saturated solution
unsaturated solution
supersaturated solution
homogeneous
A solution that has less than the maximum amount of solute dissolved.
saturated solution
unsaturated solution
supersaturated solution
heterogeneous
A chemical substance that is slippery, tastes bitter, turns litmus blue, and has pH > 7.
pH
acid
base
metal
In a neutral solution the pH value is always equal to ______.
14
-7
0
7
A chemical substance that is corrosive, tastes sour, turns litmus red, and has pH < 7.
acid
base
water
metal
Substances (such as litmus paper, phenolphthalein, cabbage juice) that turn color based on the pH of the solution.
indicators
signals
signs
molarity
Which of the following usually makes a substance dissolve faster in a solvent?
agitating the solution
increasing the particle size of the solute
lowering the temperature
decreasing the number of particles
In a concentrated solution there is ____.
no solvent
a large amount of solute
a small amount of solute
no solute
When an acid reacts with a base, what compounds are formed?
a salt only
water only
metal oxides only
a salt and water
The results of testing a colorless solution with three indicators are shown in the table below. Which formula could represent the solution tested?
HCl
H2O
NaOH
HC2H3O2
Which type of solution is one with a pH of 8?
acidic
basic
neutral
varies, depending on the solution
An increase in heat will tend to change the change the solubility of a solid and a gas in a liquid in which ways?
It will increase the solubility of the solid and the gas.
It will increase the solubility of the solid and reduce the solubility of the gas.
It will reduce the solubility of the solid and increase the solubility of the gas.
It will reduce the solubility of the solid and the gas.
Which of the following solutions is a base?
household ammonia
acid rain
soft drink
lemon juice
If a student places a few drops of hydrochloric acid on a piece of blue litmus paper, what will happen?
It will stay blue.
It will turn black.
It will turn yellow
It will turn red.
Which statement best describes how surface area affects a solid dissolving in water?
An increase in surface area will make a solid stop dissolving.
An increase in surface area will increase the speed of a solid dissolving.
A decrease in surface area will make a solid begin dissolving.
A decrease in surface area will increase the speed of a solid dissolving
The combination of a solvent and a solute that cannot be separated by filtration makes a
solution.
colloid.
suspension.
compound
Riley's science teacher has given everyone a glass filled with a liquid. The teacher then asks everyone to figure out if their liquid has any dissolved solids in it. Riley thinks her liquid has dissolved solids. Which piece of evidence would support her idea?
a clear, empty glass once the liquid evaporated out of the glass
a white material left in the glass once the liquid evaporated out of the glass
a clear, transparent appearance to the liquid when put under a bright light
a change in the temperature of the glass when left on the table
A student recorded the pH of fresh cow's milk as it sat at room temperature over a period of 5 days using an electronic pH meter. MILK pH
Day pH
1 6.5
3 5.9
5 5.2
What does the change in the pH of the milk indicate?
The milk turned more acidic as it curdled.
The milk remained the same as it curdled.
The milk turned more basic as it curdled.
The milk became neutral as it curdled.
How does the higher temperature affect the rate that sugar dissolved?
It increased the rate the sugar dissolved
It caused the sugar to melt
It decreased the rate that sugar dissolved
It did not affect the rate that sugar dissolved.
Leonard adds 5 grams of sugar to 1 liter of water to make one sugar solution. Then he adds 10 grams of sugar to 1 liter of water to make another sugar solution. Which statement correctly compares these solutions?
The solution with 5 grams of sugar is more concentrated than the solution with 10 grams of sugar.
The solution with 10 grams of sugar has less water than the solution with 5 grams of sugar.
The solution with 10 grams of sugar has the same concentration as the solution with 5 grams of sugar.
The solution with 10 grams of sugar is more concentrated than the solution with 5 grams of sugar.
To make the HCl used in this experiment, Fernando mixed 10 mL of HCl with 40 mL of water. What are the properties of this mixture? Select all that apply.
HCl is the solute, H2O is the solute, & this mixture does not conduct electricity
H2O is the solute,HCl is the solvent, & this mixture conducts electricity.
HCl is the solute,H2O is the solvent, & this mixture conducts electricity.
The H2O is the solvent,HCl is the solvent,& this mixture does not conduct electricity
What is another term for weak solutions?
dilute solutions
saturated solutions
concentrated solutions
supersaturated solutions
Lochlan ate a huge dinner that upset his stomach and made him feel nauseous. Why would his mother give him an antacid?
The acid in his stomach caused him to feel sick and the antacid will cause it to be more acidic.
The acid in his stomach caused him to feel sick and the antacid will cause it to be more basic.
The acid in his stomach caused him to feel sick and the antacid will neutralize it
The base in his stomach caused him to feel sick and the antacid will neutralize it.
Which solution will change red litmus paper to blue?
NaOH because it gives off OH- ions
. NaCl because it gives off Cl- ions
CH3OH because it gives off CH3 ions
HCl because it gives of H+ ions
How much KNO3 solute is saturated at 40 degrees?
75
55
65
85
How much C12H22O11 solute is saturated at 40 degrees?
240
220
230
250
How much Ce2(SO4)3 solute is saturated at 80 degrees?
20
15
30
2
How much NaBr solute is saturated at 70 degrees?
110
120
130
140
At what temperature can you fully dissolve 140g of NaNO3?
62
73
81
You cannot determine this
At what temperature can you fully dissolve 60g of KNO3?
27
30
37
You cannot determine this
At what temperature can you fully dissolve 120g of NaBr?
70
20
100
You cannot determine this
What type of a solution is 60g NaNO3 at 40ºC in 100g H2O?
Saturated
Unsaturated
Supersaturated
What type of a solution is 260g sugar at 50ºC in 100g H2O?
Saturated
Unsaturated
Supersaturated
What type of a solution is 25g NaCl at 70ºC in 100g H2O?
Saturated
Unsaturated
Supersaturated
What type of a solution is 55g KCl at 70ºC in 100g H2O?
Saturated
Unsaturated
Supersaturated
How is a solute different from a solvent in a solution?
The solute is a liquid and the solvent is a gas.
The solute is present in a greater amount.
The solute is a solid and the solvent is a liquid.
The solute is present in a smaller amount.
Which of the following will increase the solubility of a solid?
decreasing the volume of the solvent
increasing the amount of the solid
increasing the temperature of the solvent
decreasing the surface area of the solid
Litmus paper is often used to determine whether a solution is acidic or alkaline. Which of the following would definitely indicate an acidic solution?
blue litmus paper turning red
blue litmus paper turning purple
red litmus paper turning blue
red litmus paper turning purple
