Mixtures and Solutions Quiz

What mixture is made by combining elements or compounds in a way that doesn’t cause a chemical reaction?

• Homogeneous mixture

• Heterogeneous mixture

• Chemical compound

• Solution

Which of the following is an example of a homogeneous mixture?

• Pizza

• Fruit salad

• Seawater

• Sand and water

What is a solution that holds less solute than can be dissolved in it called?

• Saturated solution

• Unsaturated solution

• Supersaturated solution

• Concentrated solution

What factors affect the rate of dissolution?

• Temperature, pressure, and volume

• Temperature, surface area, and agitation

• Pressure, volume, and agitation

• Surface area, volume, and pressure

Which of the following factors affect a substance's rate of dissolution?

• Temperature, surface area, and agitation

• Color, shape, and size

• Weight, density, and volume

• Pressure, humidity, and light

What happens to the solubility of a gas when the solvent is warmed?

• It decreases

• It increases

• It remains the same

• It doubles

Tags

NGSS.MS-PS1-4

Why does hot cocoa powder dissolve faster in hot water?

• Because temperature affects dissolution rates

• Because cocoa is lighter in hot water

• Because hot water is denser

• Because cocoa is magnetic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What is one effect of thermal energy from factory waste on aquatic environments?

• It decreases dissolved oxygen available to fish

• It increases the water's salinity

• It makes the water colder

• It increases the water's clarity

Tags

NGSS.MS-LS2-4

What is the average kinetic energy of all the particles in a material called?

• Pressure

• Temperature

• Volume

• Density

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

How is temperature usually measured?

• In meters

• In liters

• In degrees Celsius or Fahrenheit

• In grams