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WorksheetsCh 6 - Solutions & Solubility
Total questions: 45
Worksheet time: 55mins
Name
Class
Date
1.
Describe a solute.
a)
part of solution present in largest amount
b)
gets dissolved
c)
water
d)
surrounds and breaks apart
2.
How does a solution become supersaturated?
a)
dissolve lots of solute in it.
b)
dissolve a little solute in it.
c)
dissolve more solute than you should be able to.
d)
dissolve a super amount of solvent in it.
3.
Solution where more solute can still be dissolved at the given temperature.
a)
Saturated
b)
Unsaturated
c)
Supersaturated
d)
Homogeneous solution
4.
The ___ is the thing being dissolved.
a)
solute
b)
solvent
c)
mixture
d)
suspension
5.
Which solute is the most soluble at 10 ⁰C?
a)
KI
b)
KClO3
c)
NH4Cl
d)
NH3
6.
Which solute is the least soluble at 90 ⁰C?
a)
SO2
b)
KClO3
c)
KI
d)
HCl
7.
How many grams of SO2 can dissolve at 50 ⁰C?
a)
5 g
b)
10 g
c)
20 g
d)
39 g
8.
How many more grams of KNO3 dissolve at 50 ⁰C compared to 0 ⁰C?
a)
85 g
b)
15 g
c)
70 g
d)
100 g
9.
What is the minimum temperature needed to dissolve at least 10 g of KClO3?
a)
25 ⁰C
b)
10 ⁰C
c)
5 ⁰C
d)
100 ⁰C
10.
Which salt is LEAST soluble at 0 ºC?
a)
K2Cr2O7
b)
KNO3
c)
KClO3
d)
Ce2(SO4)3
11.
Solubility refers to the ____ of solute that can dissolve in a certain volume or mass of solvent, at a certain temperature.
a)
Volume
b)
Proportion
c)
Mass
d)
Particles
12.
How many grams of NaNO3 are soluble in 100 g of water at 10 ºC?
a)
80 grams
b)
100 grams
c)
40 grams
d)
10 grams
13.
Which substance is LEAST soluble at 0 ºC?
a)
K2Cr2O7
b)
KNO3
c)
KClO3
d)
Ce2(SO4)3
14.
Which substance is MOST soluble at 0 ºC?
a)
KI
b)
NaNO3
c)
NaCl
d)
Ce2(SO4)3
15.
When 20 grams of potassium chlorate, KClO3, is dissolved in 100 grams of water at 80 ºC, the solution can be correctly described as:
a)
supersaturated
b)
saturated
c)
unsaturated
16.
When 50 grams of KCl is dissolved in 100 grams of water at 50 ºC, the solution can be correctly described as:
a)
supersaturated
b)
unsaturated
c)
saturated
17.
A solute that contains polar molecules will dissolve in a solvent that contains
a)
nonpolar molecules
b)
polar molecules
c)
covalent molecules
d)
equal-sized molecules
18.
The rule that refers to polar molecules dissolving polar and nonpolar dissolving nonpolar is
a)
this dissolves that
b)
like dissolves like
c)
same dissolves same
d)
here dissolves there
19.
The "like dissolves like" rule is the reason why water cannot dissolve
a)
salt
b)
sugar
c)
vinegar
d)
oil
20.
This substance is considered a polar substance
a)
water
b)
oil
c)
butter
d)
gasoline
21.
Solution where more solute can still be dissolved at the given temperature.
a)
Saturated
b)
Unsaturated
c)
Supersaturated
d)
Homogeneous solution
22.
What factors DO NOT affect solubility
a)
Temperature
b)
Pressure
c)
Color
23.
What is Solubility?
a)
What is dissolved
b)
What does the dissolving
c)
A measure of how much solute can dissolve in solvent
d)
a charged ion
24.
A Solution is-
a)
a homogeneous mixture of two or more substances
b)
substance that gets dissolved
c)
what does dissolving
d)
Heterogeneous
25.
What can be a solution?
a)
Solid
b)
Liquid
c)
Gas
d)
ALL OF THE ABOVE
26.
an ____ has a positive or a negative charge
a)
solid
b)
nonpolar
c)
dilute
d)
ion
27.
heterogeneous mixture in which some of the particles settle out of the mixture upon standing
a)
solution
b)
colloid
c)
solvent
d)
suspension
28.
substance that dissolves the solute
a)
solution
b)
solvent
c)
saturation
29.
Sugar water is a
a)
solution
b)
suspension
c)
colloid
30.
Milk is a
a)
solution
b)
suspension
c)
colloid
31.
Italian dressing is a
a)
solution
b)
suspension
c)
colloid
32.
If a spoonful of sugar is mixed in a glass of water, what is the water called?
a)
solute
b)
solution
c)
solvent
d)
element
33.
heterogeneous mixture in which some of the particles settle out of the mixture upon standing
a)
solution
b)
colloid
c)
solvent
d)
suspension
34.
Which will dissolve the slowest
a)
powdered sugar in hot water
b)
Powdered sugar in cold water
c)
sugar cubes in hot water
d)
sugar cubes in cold water
35.
As the pressure decreases the solubility of a gas in a liquid
a)
increases
b)
decreases
36.
The Tyndall effect is used to distinguish between
a)
gases and solids
b)
solutions and colloids
c)
solvent and suspensions
d)
all of these
37.
Which of the following will produce crystals if disturbed?
a)
saturated solutions
b)
colloids
c)
supersaturated solutions
d)
unsaturated solutions
38.
Why will sugar dissolve in water?
a)
sugar is ionic
b)
sugar has a similar polarity to water
c)
sugar will not dissolve in water
d)
sugar has similar energy to water
39.
How many grams of ammonium chloride are needed to make a saturated solution at 80o C?
a)
50 grams
b)
80 grams
c)
65 grams
d)
75 grams
40.
In a solution of salt water, what is the solute?
a)
Salt
b)
Water
c)
Salt water
41.
For most solutions, solubility (how much solute can dissolve in the solvent) generally _________ as temperature increases.
a)
increases
b)
decreases
c)
stays the same
42.
When a solvent contains as much of the solute as it can hold, the solution is said to be
a)
supersaturated
b)
saturated
c)
unsaturated
d)
polysaturated
43.
A saturated solution is______
a)
No more solute can be dissolved
b)
More solute can be dissolved
c)
The solvent and solution
44.
__________ are made up of solutes and solvents.
a)
Solutions
b)
Suspension
c)
Colloid
45.
Amount of solute in a given amount of solvent or solution
a)
Concentration
b)
Miscible
c)
Solute
d)
solubility
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