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WorksheetsSolutions Quiz
Total questions: 47
Worksheet time: 59mins
Mayonnaise is an example of...
Suspension
Colloid
Solution
Pure Substance
What is a substance that is dissolved in another substance? (a)
A solvent is (a)
In the above picture, a powder is about to be poured into the liquid. Which of the following should be done to make this powder dissolve faster? (a)
Air is a (a) .
"Like dissolves Like" is a very general rule used for predicting whether...
one substance will form a solution with another
one substance will react with another
a reaction will reach equilibrium
a mixture will contain two or three phases
Stirring increases the rate of dissolution because it...
raises the temperature
lowers the temperature
brings fresh solvent into contact with the solute
decreases the surface area of the solute
Increasing the surface area of the solute...
increases the rate of dissolution
decreases the rate of dissolution
has no effect on the rate of dissolution
can increase, decrease, or have no effect on the rate of dissolution
Which of the following is a good electrolyte?
sodium chloride
sugar
pure water
glass
A substance whose water solution is a good conductor of electricity is a (n)...
nonelectrolyte
electrolyte
non polar substance
solute
The Tyndall Effect is used to distinguish between...
liquids and gases
solutions and colloids
electrolytes and non-electrolytes
solvents and solutes
A metal solution is a(n)...
colloid
alloy
suspension
emulsion
Kool-Aid - Powder, sugar, and water: Identify the solvent (a)
Which is NOT an example of a colloid?
paint
smoke
butter
sugar water
Sugar dissolved in water is an example of which solute-solvent combination?
gas-liquid
liquid-liquid
solid-liquid
cannot be determined
To make a solute dissolve more quickly in a solvent which would you do?
Put it in cold water and stir it
Put it in warm water and stir it
The concentration of a mixture can be increased in which of the following ways? (a)
Unsaturated
Supersaturated
How many grams of KCl, are soluble in 100 g of water at 95 ºC? (a)
If 120 grams of table salt are added to 100 grams of water at 45 C, how many grams do not dissolve?
84 g
36 g
79 g
Not enough info. to determine
Which solute is the most soluble at 10 ⁰C? (a)
Which solute is the least soluble at 90 ⁰C? (a)
What mass of Pb(NO3)2 would be needed to form a saturated solution if the Pb(NO3)2 was dissolved in 200g of H2O at 20 C? (a)
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)
The amount of a substance required to reach the saturation point with a specific amount of solvent at a specific temperature...
Solution Equilibrium
Solubility
Solute Enhancement
Solvent Ratios
When 50 grams of KCl is dissolved in 100 grams of water at 50 ºC, the solution can be correctly described as: (a)
__ is the dynamic state in which dissolution and crystalization occur at equal rates.
Solution Equilibrium
Solute Equilibrium
Solvent Equilibrium
Suspension Equilibrium
Which of the following actions will NOT
increase the rate of dissolution
(dissolving)?
Stirring the solution
Decreasing the temperature
Increasing the surface area of the
solute
Increasing the temperature
You are given a small beaker of solution at room temp. You add a bit of solute to the solution and it dissolves. The solution was: (a)
How do you know when you have a saturated solution?
You don't see anymore material in the solution. It has dissolved.
The material dissolves and no more will dissolve because you see it collect at the bottom.
The solution is bubbling and cloudy.
The solution is clear and there is nothing at the bottom.
A mixture with particles in between 1 nm and 1000nm that do NOT settle out...
Suspension
Colloid
Solution
All of the above
How many liters would you need to make a 1 M solution if you have 4 mol of Sodium Hydroxide?
What is the molarity of 4 g of NaCl (MM=58.45) in 65.05 mL of solution?
How many moles of NaCl are present in a solution with a molarity of 8.59 M and a volume of .008 L
Which sweet tea would you expect to taste the most watered down?
4.6M
5.1M
What is the concentration of a solution in parts per million if 0.002 grams of NaCl is dissolved in 1000 grams of water?
2 ppm
20 ppm
200 pm
0.2 ppm
Orange juice with pulp is a great example of ...
Colloid
Suspension
Solution
None of the above
Soluble and Insoluble: Potassium Nitrate
Soluble
Insoluble
Soluble or Insoluble: Fe(OH)3
Soluble
Insoluble
Soluble or Insoluble: Silver Acetate
Soluble
Insoluble
Watching the light bend into rays from the bottom of a swimming pool is a great example of ...
Tyndall Effect
Quantum Effect
Grahm's Law of Bending Light
None of the above
In a suspension, how big are the particles?
greater than 1000 nm
In between 1 nm and 1000 nm
less than 1 nm
Cannot be determined
Draw an example of the term "immiscible"
