Unit Test Answers

7 verified answers1 views
1
Free Preview

Which statements are true of solutions?

A
They contain solutes and solvents.
B
They always have only one solute per solvent.
C
Their particles must be evenly distributed.
D
They are homogeneous matter.
E
They are pure.
2
Free Preview

Which statements are true of heterogeneous mixtures? Check all that apply.

A
They settle out.
B
They exhibit the Tyndall effect.
C
Their solutes and solvents appear as one.
D
They exhibit Brownian motion.
E
They are evenly distributed mixtures.
3

Question text not available

Answer not available
5

A student squeezes several oranges to make a glass of orange juice. The juice contains pieces of orange pulp mixed with the juice. Explain why this drink can be considered a combination of a suspension and a solution.

Answer:

Orange juice is a solution because it contains substances like sugars and vitamins dissolved in water. It is also a suspension because the orange pulp consists of larger particles that are trapped in the juice but will eventually settle or float if the mixture is allowed to sit.

6

Question text not available

Answer not available
7

Which of these did you include in your answer? Check any that apply.

A
The juice contains sugars, plant pigments, and other chemicals dissolved in water. This is a solution.
B
The pieces of orange pulp will rise to the top or settle to the bottom of the juice if it is allowed to sit.
C
The pieces of pulp mixed with the juice form a suspension.

Did you find these answers helpful?