Chemistry Exam

What is a substance that is dissolved in another substance? 

• solution
• solute
• solvent
• compound

What is a solvent?

• The substance that does the dissolving in a solution.
• The substance that is being dissolved in a solution.
• The mixing of different substances.
• The process in which neutral molecules lose or gain electrons

The concentration of a mixture can be increased in which of the following ways?

• Heating the mixture
• Adding more water “solvent”
• Adding more powder “solute”
• Stirring the mixture

Tags

NGSS.HS-PS1-5

A solution that is considered dilute would be....

• Dark in color
• Have a strong scent
• Have a large amount of solute
• Have a small amount of solute

Tags

NGSS.HS-PS1-5

Kool-Aid - Powder, sugar, and water
Identify the solvent 

• water
• powder
• sugar
• powder and sugar

Lemonade - Water, lemon juice, and sugar
Identify the solute

• water
• lemon juice
• sugar and lemon juice 

When Koolaid mix is light colored and tastes watery it is a _______ solution.

• saturated 
• diluted

When a Koolaid mix in water is dark in color and very sweet it is a __________ solution.

• concentrated 
• Diluted

Tags

NGSS.HS-PS1-5

At 40 ^oC and 50 g/l the solution of KCl would be:

• saturated
• supersaturated
• unsaturated

At 40 ^oC and 50 g/l the solution of KCl in 200 g of water would be:

• saturated
• supersaturated
• unsaturated