WorksheetsLevel 5 / Area 1 / Solutions
Total questions: 15
Worksheet time: 28mins
There are two types of mixtures: homogeneous and heterogeneous mixtures. Which type of mixtures is evenly mixed throughout? (a)
In a solution such as salt water, the dissolving medium, in this case water, is called the _____.
solvent
solute
alloy
Immiscible
At a restaurant, you decide to sweeten your tea by mixing in a sugar packet or two. In this situation, the sugar is considered the ...
solute
solvent
solution
colloid
Which type of mixture has particles that are too large to dissolve and eventually settle out by gravity?
Solution
Suspension
Collid
Alloy
As solutes dissolve in solution, metallic solutes will create charged particles which can allow the conduction of electricity. What are these types of solutes called?
Electrolytes
Nonelectrolyte
Nonmetals
Colloid
A student wants to make his sweet tea even sweeter by adding MORE SUGAR! Which of the following would the student NOT do to increase the amount of sugar dissolved?
Stir the tea with his spoon
Heat the tea up
Apply pressure to the tea
Crush the sugar into a powder
What would happen to a solid such as that is not soluble, such as aluminum, when put in water?
It would disappear with more stirring
It would sink to the bottom
To would disappear with more heat
It would disappear with more agitation
Why is dissolving considered a surface phenomenon?
solvent particles collide with the surface of the solute
the solute will dissolve on the surface of the solvent
the solute only dissolves on the surface of the Earth
the solvent can dissolve the middle of the solute
How many moles of NaOH are contained in 0.065 L of a 2.20 M solution?
0.143 mol
3.38 mol
1.22 mol
2.20 mol
What would the concentration be if you dissolved 1.25 mol of silver nitrate, AgNO3, in 2.5 liters of water?
0.5 M
2 M
3.75 M
6.02 M
What is the concentration of a 1.5 L solution with 50 g of sodium chloride, NaCl, dissolved?
0.855 M
0.57 M
1.28 M
2.23 M
How many liters 0.110 M nitric acid can be prepared by diluting 5.00 mL of 15.3 M stock solution?
1530 mL
1.53 L
0.695 L
0.153 L
How many mL of stock solution of 2 M NaCl do you need to prepare 100 mL of 0.150M NaCl?
7.5 mL
15 mL
1333 mL
200 mL
none are correct
Observe the four graduated cylinders containing a solution. Which solution is the most dilute?
Match the terms with the mixture type below
Cannot be filtered
Can be seen, but will not sink
Sugar in water
Homogeneous mixture
Components are evenly distributed
Can be separated by filtration
Particles settle over time
Forms layers when left undisturbed
Particles do not dissolve
Tyndall Effect
