Solutions and Mixtures

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

This is the part of a solution that dissolves

• Solute
• Solvent
• Solution
• Mixture 

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

NGSS.HS-PS1-6

In the above picture, a powder is about to be poured into the liquid. Which of the following should be done to make this powder dissolve faster?

• stir the powder in the liquid
• freeze the mixture
• add more powder to the liquid
• store the mixture in a dark place

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

salt water is a 

• compound
• element
• heterogeneous mixture
• solution

what a solute dissolves in

• solvent
• mixture
• solute

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 

Tags

NGSS.5-PS1-4

When solute dissolves into a solvent it is called a _____________.

• mixture
• solution
• element