MATTER AND MIXTURES UNIT TEST_(revised October 2022)

Which of these is a method of separating solutions? (LIKE SALT WATER!)

• hand separation

• filtering

• screening

• evaporation

A substance that is dissolved by a solvent is called a

• solution

• compound

• solute

• suspension

All of the following are examples of a solution except

• salt water

• Kool-Aid

• trail mix

• lemonade

Which of the following is considered to be a universal solvent

• salt water

• water

• Kool-Aid

• citric acid

Tags

NGSS.MS-ESS2-4

When a solution is evaporated

• the solute remains exactly the same

• nothing is left

• the solute forms into crystals

• the solvent remains

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following molecules is NOT a compound?

• Carbon dioxide

• Sodium chloride

• H₂O

• O2

Tags

NGSS.MS-PS1-1

Look at the data in the table below. Label the layers on the picture of the graduated cylinder to show the order that the liquids would stack up from the bottom.

• H,B,W,G

• H,G,W,B

• W,B,H,G

• B,W,G,H

Tags

NGSS.MS-PS1-2

A student makes four solutions using the same solid. She records the amount of solid and water she uses for each solution in this table. Which solution is the most concentrated? MOST SUGARY!!!!!!

• A

• B

• C

• D

Tags

NGSS.MS-PS1-2

A solution in which no more material will dissolve is

• saturated

• diluted

• concentrated

• solvent

Which of the following is not evidence of a chemical reaction?

• solid ice melting to liquid water

• a solution fizzes, a gas is formed

• a precipitate forms

• temperature rises

Tags

NGSS.MS-PS1-2