
Factors Influencing Dissolution Rates

Quiz
•
Science
•
7th Grade
•
Hard
Standards-aligned
Malissa Williams
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does increasing the temperature of a solvent affect the rate of dissolution of a solid solute?
It decreases the rate of dissolution.
It has no effect on the rate of dissolution.
It increases the rate of dissolution.
It causes the solute to precipitate.
Tags
DOK Level 3: Strategic Thinking
TEKS.SCI.7.6E
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A student is dissolving sugar cubes in water. How would breaking the sugar cubes into smaller pieces affect the rate of dissolution?
It would decrease the rate of dissolution.
It would have no effect on the rate of dissolution.
It would increase the rate of dissolution.
It would cause the sugar to crystallize.
Tags
DOK Level 3: Strategic Thinking
TEKS.SCI.7.6E
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best explains why stirring a solution increases the rate of dissolution?
Stirring decreases the temperature of the solution.
Stirring increases the surface area of the solute.
Stirring increases the interaction between solute and solvent particles.
Stirring decreases the solubility of the solute.
Tags
DOK Level 3: Strategic Thinking
TEKS.SCI.7.6E
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Compare the rate of dissolution of table salt and sugar in water. Which factor is most likely to cause a difference in their rates of dissolution?
The molecular weight of the solutes.
The temperature of the water.
The surface area of the solutes.
The type of chemical bonds in the solutes.
Tags
DOK Level 3: Strategic Thinking
TEKS.SCI.7.6E
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculate the rate of dissolution if 10 grams of a solute dissolves in 200 mL of water in 5 minutes. Express your answer in grams per minute.
0.5 grams per minute
2 grams per minute
1 gram per minute
0.2 grams per minute
Tags
DOK Level 3: Strategic Thinking
TEKS.SCI.7.6E
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a real-world scenario, why is it important to understand the rate of dissolution when designing a medication in tablet form?
To ensure the tablet is easy to swallow.
To control the release and absorption rate of the medication in the body.
To make the tablet more colorful.
To reduce the cost of production.
Tags
DOK Level 3: Strategic Thinking
TEKS.SCI.7.6E
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A student observes that powdered sugar dissolves faster than granulated sugar in water. Which factor is primarily responsible for this observation?
Temperature of the water
Surface area of the sugar
Amount of water used
Type of sugar used
Tags
DOK Level 3: Strategic Thinking
TEKS.SCI.7.6E
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