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Worksheetssolution mixture test
Total questions: 32
Worksheet time: 2hrs 42mins
Name
Class
Date
1.
All of the following are homogeneous mixtures except
a)
tomato soup
b)
sugar-water solution
c)
gasoline
d)
salt-water solution
2.
Which of the following is a colloid?
a)
water
b)
milk
c)
soil
d)
concrete
3.
A mixture that appears to be uniform while being stirred but which separates into different phases when agitation ceases is a
a)
solvent
b)
colloid
c)
suspension
d)
solute
4.
Which mixture can be separated by filtration?
a)
mayonnaise
b)
muddy water
c)
shaving cream
d)
gelatin
5.
What type of solute-solvent combination is carbon dioxide in air?
a)
gas-liquid
b)
liquid-gas
c)
liquid-liquid
d)
gas-gas
6.
Which is an example of a solid-liquid solution?
a)
alcohol-water
b)
oxygen-nitrogen
c)
sugar-water
d)
copper-nickel
7.
When the size of the particles in a solution and in a colloid are compared, the particle size in the solution is
a)
smaller
b)
larger
c)
the same
d)
could be smaller or larger
8.
Which of the following solutions does not contain an electrolyte?
a)
potassium bromide-water solution
b)
sugar-water solution
c)
hydrochloric acid solution
d)
sodium chloride-water solution
9.
To conduct electricity, a solution must contain
a)
nonpolar molecules
b)
polar molecules
c)
free ions
d)
free electrons
10.
A substance that is not soluble in a polar solvent is most likely
a)
nonpolar
b)
ionic
c)
polar
d)
hydrogen bond
11.
Sugar is soluble in water because sugar molecules are
a)
massive
b)
large
c)
nonpolar
d)
polar
12.
Which of the following actions does not, in general, increase the solubility of a solid in a liquid?
a)
increasing the temperature of the solvent
b)
increasing the surface are of the solute
c)
increasing the pressure of the solution
d)
shaking or stirring the solution
13.
If the amount of dissolved solute in a solution at a given temperature is greater than the amount that can permanently remain in solution at that temperature, the solution is said to be
a)
saturated
b)
unsaturated
c)
supersaturated
d)
diluted
14.
You know the mass of solute and the volume of solution. What is the first step in finding the molarity of the solution?
a)
find the mole of solute
b)
divide mass by the volume of the solution
c)
divide the volume of solution by its mass
d)
divide the number of moles by the volume of solution
15.
Which solution would not conduct an electric current?
a)
NaCl
b)
HCl
c)
C6H12O6
d)
CsI
16.
The process of forming a solid by combining two ionic solution is called
a)
precipitation
b)
hydration
c)
dissociation
d)
solvation
17.
A dissolved solute that does not form ions is a
a)
nonelectrolyte
b)
weak electrolyte
c)
strong electrolyte
d)
insoluble
18.
A metal solution is a(n)
a)
colloid
b)
alloy
c)
suspension
d)
emulsion
19.
Dust in the air is an example of what colloid system?
a)
solid-gas
b)
liquid-solid
c)
gas-liquid
d)
solid-solid
20.
Does not settle out on standing
a)
solution
b)
colloid
c)
suspension
d)
two of the above
21.
Heterogeneous mixture
a)
solution
b)
colloid
c)
suspension
d)
two of the above
22.
has smallest particle size
a)
solution
b)
colloid
c)
suspension
d)
two of the above
23.
Particles can be filtered out
a)
solution
b)
colloid
c)
suspension
d)
two of the above
24.
Demonstrates the Tyndall effect
a)
solution
b)
colloid
c)
suspension
d)
two of the above
25.
Particles are invisible to the naked eye
a)
solution
b)
colloid
c)
suspension
d)
two of the above
26.
Jelly is a
a)
solution
b)
colloid
c)
suspension
d)
two of the above
27.
Steel is a
a)
solution
b)
colloid
c)
suspension
d)
two of the above
28.
fog is a
a)
solution
b)
colloid
c)
suspension
d)
two of the above
29.
A NaOH solution contains 1.90 mole of NaOH, and its volume is 3 L, what is its molarity?
a)
0.633 M
b)
1.6 M
c)
.57 M
d)
5.7M
30.
How many moles of HCL are present in 0.406 L of a 0.33 M HCl solution?
a)
0.13 mol
b)
1.23 mol
c)
0.76 mol
d)
0.81 mol
31.
Which salt is MOST soluble at 10 ºC?
a)
K2Cr2O7
b)
NaNO3
c)
KClO3
d)
Ce2(SO4)3
32.
How many grams of sodium nitrate, K2Cr2O7, are soluble in 100 g of water at 90 ºC?
a)
70 grams
b)
30 grams
c)
40 grams
d)
80 grams
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