Solutions

A liquid in which another substances dissolves is called
1. a solvent
2. a solution
3. a solute
4. a saturated solution
Which one of the following substances is known as the universal solvent?
1. Water
2. Methylated spirits
3. Air
4. Oil
The substance that dissolves in a solvent is called a
1. solute
2. solution
3. saturated solution
4. crystal
Which one of the following statements is correct?
1. A solute dissolves in a solvent to make up a solution.
2. A solution dissolves in a solvent to make up a solute.
3. A solute dissolves in a solution to make up a solvent.
4. The solvent in seawater is salt.
Which one of the following is NOT a solution?
1. Glass of milk
2. Seawater
3. Cup of coffee
4. Glass of apple juice
Which one of the following is an example of a solution?
1. Vinegar
2. Paint
3. Sand particles in water
4. Orange squash
A beaker was placed on a balance and the balance set to zero. A student then placed 100 grams of water in this beaker and added copper sulfate until no more dissolved.
The measurements recorded are as shown.
What is the solubility of copper sulfate in 100 grams of water?
1. 60 g
2. 160 g
3. 20 g
4. 40 g
Which one of the following is not an example of a suspension?
1. Spoon of sugar dissolved in cup of coffee
2. Muddy water
3. Milk of magnesia
4. Glass of milk
Which one of the following statements is true?
1. A dilute solution has a small amount of solute dissolved in a large amount of solvent.
2. A dilute solution has a small amount of solute dissolved in a small amount of solvent.
3. A concentrated solution has a small amount of solute dissolved in a large amount of solvent.
4. A concentrated solution has a large amount of solute dissolved in a large amount of solvent.
A bottle of whiskey states that it is made up of 40% alcohol.
Which one of the following statements about this whiskey is incorrect?
1. The alcohol is the solvent.
2. Whiskey is a solution.
3. The alcohol is dissolved in water.
4. Whiskey is not a suspension.
The solubility of sodium chloride in 100 grams of water at 20ºC is 36 grams.
Which one of the following statements is incorrect?
1. The solubility of sodium chloride at 15ºC is 36 grams of sodium chloride per 100 grams of water.
2. 18 grams of sodium chloride will dissolve in 50 grams of water at a temperature of 20ºC.
3. When the water is heated gently, more sodium chloride will dissolve.
4. Cooling the water will cause less sodium chloride to dissolve.
The graph shows the solubility curve for sodium carbonate.
What is the solubility of sodium carbonate at 30ºC?
1. 40 grams of sodium carbonate per 100 grams of water.
2. 25 grams of sodium carbonate per 100 grams of water.
3. 46 grams of sodium carbonate per 100 grams of water.
4. 15 grams of sodium carbonate per 100 grams of water.
The graph shows the solubility curve for sodium carbonate.
At what temperature will the maximum amount of sodium carbonate dissolve?
1. 40ºC
2. 0ºC
3. 60ºC
4. 90ºC
The graph shows the solubility curve for sodium carbonate.
Which one of the following statements is correct?
1. The solubility decreases between 40ºC and 80ºC.
2. The solubility of sodium carbonate is proportional to temperature.
3. It is possible to dissolve 40 grams of sodium carbonate at 20ºC.
4. A student won't be able to dissolve more than 20 grams at 30ºC.
The solubility curve for potassium nitrate is shown in the diagram.
Which one of the following statements is NOT correct?
1. 100 grams of potassium nitrate will completely dissolve in 100 grams of water at 50ºC.
2. At 40ºC, no more than 63 grams of potassium nitrate will dissolve in 100 grams of water.
3. When 80 grams of potassium nitrate are added to 100 grams of water at 40ºC, about 15 grams of the salt will remain undissolved.
4. The solution is said to be supersaturated when 160 grams of the salt are added to 100 grams of water at 60ºC
A graph was drawn for the solubilities of four different salts.
Which one of these salts is most soluble at 20 ºC?
1. Magnesium chloride (yellow)
2. Potassium chloride (red)
3. Sodium carbonate (green)
4. Copper sulfate (blue)
The graph shows the solubilities of four different salts.
Which of these salts is the least soluble at 90ºC?
1. Sodium carbonate (green)
2. Magnesium chloride (yellow)
3. Potassium chloride (red)
4. Copper sulfate (blue)
The graph shows the solubilities of four different salts.
Which of these salts is the most soluble at 90ºC?
1. Copper sulfate (blue)
2. Magnesium chloride (yellow)
3. Potassium chloride (red)
4. Sodium carbonate (green)
The graph shows the solubilities of four different salts.
Which of these salts shows a decrease in solubility between 40ºC and 90ºC?
1. Sodium carbonate (green)
2. Magnesium chloride (yellow)
3. Potassium chloride (red)
4. Copper sulfate (blue)
The solubility curve for potassium nitrate is shown in the diagram.
When 80 grams of potassium nitrate is added to 100 grams of water at 20ºC and stirred, the solution is said to be
1. supersaturated
2. saturated
3. unsaturated
4. diluted
At approximately what temperature does the solubility of potassium chloride, KCl, match the solubility of sodium carbonate?
1. 27ºC
2. 30ºC
3. 44ºC
4. 57ºC
Study the solubility curve and select the number of grams of potassium nitrate which are soluble in 50 grams of water at 30ºC?
1. 24 grams
2. 50 grams
3. 84 grams
4. 42 grams
When 30 grams of sodium carbonate is added to 100 grams of water at 40ºC, it is said to be
1. unsaturated
2. supersaturated
3. saturated
4. undiluted
When 33 grams of copper sulfate crystals are added to 100 grams of water at 20ºC, it is said to be saturated.
If the temperature of the solution is increased to 40ºC, how many more grams of copper sulfate must be added to make it saturated once again?
1. 12 grams
2. 45 grams
3. 2 grams
4. 30 grams
Sea water is considered salty because there are a number of different compounds (or salts) dissolved in it. What is the main salt that is dissolved in sea water?
1. Sodium chloride
2. Sodium bromide
3. Potassium chloride
4. Calcium chloride
The solubility of a solid in water will increase if you
1. increase the temperature of the water.
2. decrease the temperature of the water.
3. increase the surface area of the solid particles.
4. decrease the surface area of the solid particles.
Which one of the following is a physical property of water?
1. Liquid at room temperature.
2. It has a pH of 7.
3. It is not flammable.
4. It reacts with sodium.
A mixture of a solute and solvent is known as
1. a solution
2. a pure substance
3. a suspension
4. an emulsion
When sugar is dissolved in water, sugar is known as
1. the solute
2. the suspension
3. the solution
4. the solvent
When copper sulfate crystals are dissolved in water, the mixture is known as
1. a solution
2. a solvent
3. a solute
4. an emulsion
If a substance dissolves in a solvent, we say that it is
1. soluble
2. insoluble
3. concentrated
4. universal
If a substance does not dissolve in a solvent, we say that it is
1. insoluble
2. soluble
3. dilute
4. concentrated
Which one of the following substances is soluble in water?
1. Salt
2. Candle wax
3. Olive oil
4. Black pepper
Which one of the following substances is insoluble in water?
1. Chalk
2. Instant coffee
3. Sugar
4. Copper sulfate
Fill in the blanks:
A concentrated solution is one that contains a lot of ______
and little _________.
1. solute, solvent
2. solvent, solute
3. suspension, solvent
4. solute, suspension
Fill in the blanks:
A dilute solution is one that contains a lot of ______
and little _________.
1. solvent, solute
2. solute, solvent
3. solute, suspension
4. solvent, solid
A solution is said to be ________________ when no more solute will dissolve in it.
1. saturated
2. unsaturated
3. suspended
4. diluted
The amount of solute that will dissolve in a certain amount of solution will depend on the ____________ of the solution.
1. temperature
2. colour
3. density
4. state
A suspension is a mixture of a liquid and tiny bits of an insoluble solid.
Which one of the following is not a suspension?
1. A cola drink
2. Muddy water
3. Milk
4. Sand in water
Fill in the blanks:
A solution can be made more concentrated by adding more __________ or by removing some _________.
1. solute, solvent
2. solvent, solute
3. suspension, solvent
4. solute, suspension
A mixture of a liquid and a fine insoluble solid is known as
1. a suspension
2. a solvent
3. a solution
4. a solute
A solute can be a solid, a liquid or a gas.
1. TRUE
2. FALSE
At a fixed temperature, an unsaturated solution is unable to dissolve more solute.
1. FALSE
2. TRUE
Which one of the following is NOT a solution?
1. Glass of milk
2. Seawater
3. Cup of coffee
4. Glass of cola
Which one of the following is an example of a solution?
1. Vinegar
2. Paint
3. Orange squash
4. Milk

Solutions

Multiple Choice Quiz