7th - 1st Quarterly Exam Review

What is the effect of agitation on the rate of dissolving?

•  It decreases the rate of dissolving

•  It has no effect on the rate of dissolving

• It increases the rate of dissolving

•  It changes the color of the solute

What is the rate of dissolving?

• How fast a solute dissolves in a solvent

• The amount of solute that can dissolve in a solvent

• The temperature at which a solute dissolves

• The size of the solute particles

Answer explanation

The rate of dissolving refers to how fast a solute dissolves in a solvent. It is not related to the amount of solute that can dissolve, the temperature at which a solute dissolves, or the size of the solute particles. The answer to the question is 'How fast a solute dissolves in a solvent.'

The main substance in a solution that dissolves other substances.

• solute

• solvent

• solution

• solubility

Any substance that gets dissolved in a solution.

• solute

• solvent

• solution

• solubility

to stir, shake or disturb something.

• solubility

• agitation

• surface area

• rate of dissolution

How fast a substance dissolves in a liquid.

• Rate of Dissolution

• Surface Area

• Aqueous Solution

• Solubility

If you increase the temperature of a solution, what generally happens to the rate of dissolution of a solid solute?

• It decreases

• It increases

• It remains the same

• It doubles

Tags

DOK Level 2: Skill/Concept

Which of the following is an example of a solvent?

• sugar

• salt

• copper sulphate

• water

You can make a solution more concentrated by adding __________.

• solute
• solvent
• water

The ___ is the thing being dissolved.

• solute
• solvent
• mixture
• suspension