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Total questions: 25
Worksheet time: 25mins
All of the following are examples of a solution except –
soda
a chocolate chip cookie
lemonade
the air we breathe
A teacher shows the students a solution of vinegar and water in a beaker. Then she adds one additional cup of vinegar to the beaker and stirs the solution. Which properties of the solution change after she adds more vinegar?
The volume and the mass of the solution.
The temperature and the volume of the solution.
The volume and the physical state of the solution.
The mass and the temperature of the solution.
A teacher adds sugar into a beaker filled with water and mixes it until it completely dissolves. Which statement listed below is correct?
Sugar is the solute and water is the solution.
Sugar is the solvent and water is the solute.
Sugar is the solvent and water is the solution.
Sugar is the solute and water is the solvent.
All of the following are correct statements about solutions except –
a solution must contain two or more different substances that can be physically separated
a solution must be a liquid
the solute must be evenly distributed in the solution, also known as homogeneous
a solution must have at least one solute and a solvent
Which of the following is a solution?
Sand and water
Oil and water
Salt dissolved in water
Iron filings and sand
A teacher is conducting an experiment. He adds powdered lemonade to one beaker, sugar to a second beaker and sand to a third beaker. He then adds water to each beaker and stirs the three different mixtures and waits for two minutes. What physical property of the substances is he trying to demonstrate for the class?
Solubility in water
Relative density
Physical state
Melting point
Which of the following is an example of a solution?
Italian salad dressing
Orange juice with pulp
Cereal
Coffee
Which of the substances below will NOT dissolve when mixed with water?
Sugar cube
Vinegar
Pepper
Lemon juice
Which of the following is the correct scientific definition of a solution?
A means of solving a problem or dealing with a difficult situation
A homogeneous mixture of two or more substances; all substances must be completely dissolved into each other
Two or more substances are chemically combined and cannot be easily separated
Two or more substances are combined, but they keep their original properties and can be easily separated
A teacher shows some students a solution of sugar and water in a beaker. Then she adds four ice cubes to the solution. All the following properties of the solution change as the ice cubes melt except –
the mass
the temperature
the volume
the physical state
Which of the following is an example of a solution?
Oil and water
Oil and vinegar
Vinegar and water
Water and sand
Which of the substances listed below will form a solution when mixed with water?
Sand
Lemon Juice
Oil
Pepper
All of the following substances will dissolve when mixed with water except –
salt
oil
sugar
lemon juice
A teacher shows his students a beaker filled with a water and salt solution. Which is the best way to separate the two parts of this solution?
Pour the solution through filter paper and collect the salt.
Pour the solution through a sieve and collect the salt.
Boil the solution to evaporate the water and collect the salt.
You cannot separate the two parts of a solution.
A solution contains two parts, a solute and a solvent. Which of the following correctly defines the two terms?
The solvent is the part being dissolved and the solute is the part doing the dissolving.
The solute is the part being dissolved and the solvent is the part doing the dissolving.
The solute is the part being dissolved and the solution is the part doing the dissolving.
The solvent is the part being dissolved and the solution is the part doing the dissolving.
A teacher mixes a penny, salt and vinegar with 200 mL of water in three beakers and asks students to observe the results. What do the students observe?
3 solutions
2 solutions and 1 mixture
1 solution and 2 mixtures
3 mixtures
Which of the following substances will dissolve when mixed with water?
Sand
Salt
Pepper
Oil
An athlete prepared a water bottle filled with purple sports drink for her run. She added three scoops of powdered sports drink to the bottle and dissolved it in 500 mL of water. She decided it tasted too weak and added one more scoop of purple powder to the bottle. Which of the following most likely occurred when one more scoop of powdered sports drink was added?
The purple color became lighter.
The purple color became darker.
The color changed to blue.
The color did not change.
All of the following substances will form a solution when mixed with water except –
salt
sugar
cinnamon
lemon juice
Students are making solutions by adding drops of green food coloring to 100 mL of water. How many drops will make the lightest colored solution?
2 drops
5 drops
10 drops
20 drops
Which of the following is a characteristic of a true solution?
A) It is always colorless.
B) It is a homogeneous mixture.
C) It can be separated by filtration.
D) It is always a liquid.
In an experiment, a student dissolves 10 grams of salt in 100 mL of water. What is the solute in this solution?
A) Water
B) Salt
C) The beaker
D) The solution itself
A solution is made by dissolving a gas in a liquid. Which of the following is an example of such a solution?
A) Carbonated water
B) Saltwater
C) Sugar syrup
D) Oil and vinegar
Which method would be most effective in separating a mixture of sand and salt?
A) Filtration followed by evaporation
B) Distillation
C) Chromatography
D) Using a magnet
What happens to the boiling point of water when salt is added to it?
A) It decreases.
B) It remains the same.
C) It increases.
D) It first decreases, then increases.
