solubility

A scientists measures the amount of dissolved oxygen in samples with 4 different temperatures. All other variables are the same. Which of the following temperatures would have the highest concentration of dissolved oxygen?

• 41 degrees Celsius

• 34 degrees Celsius

• 22 degrees Celsius

• 10 degrees Celsius

In a gas to liquid mixture, an increase in temperature means...

• increase in solubility
• decrease in solubility

The ___ is the thing being dissolved.

• solute
• solvent
• mixture
• suspension

Stirring the solution increases or decreases the solubility?

• increases
• decreases

Which will dissolve faster crushed table salt or crystal of table salt?

• crushed table salt
• crystal of table salt

True or false: The smaller the particle size(large surface area per unit volume) means...

• increase in solubility
• decrease in solubility

How does a solution become supersaturated?

• dissolve lots of solute in it.
• dissolve a little solute in it. 
• dissolve more solute than you should be able to. 
• dissolve a super amount of solvent in it. 

Why does oil not dissolve in water?

• Oil is non-polar and water is polar

• Oil is more dense than water

• Oil is polar and water is non-polar