UNIT 2 TEST

Which of the following will dissolve fastest in water?

• A sugar cube

• Granulated sugar

• A sugar crystal

• They all dissolve at the same rate

What is the term for a substance that dissolves in a solvent?

• Solution

• Solute

• Solvent

• Mixture

Which of the following is an example of a physical change?

• Burning wood

• Melting ice

• Rusting metal

• Baking a cake

What happens to the particles of a solid when it dissolves in a liquid?

• They disappear

• They become smaller

• They spread out evenly throughout the liquid

• They change into a different substance

Tags

NGSS.MS-PS1-2

Which of the following is NOT a way to increase the rate of dissolving?

• Increasing the temperature

• Stirring the solution

• Using larger particles of solute

• Increasing the surface area of the solute

What is the term for a solution in which water is the solvent?

• Aqueous solution

• Solid solution

• Gaseous solution

• Liquid solution

Which of the following is an example of a chemical change?

• Cutting paper

• Boiling water

• Digesting food

• Freezing juice

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the term for the amount of solute that can dissolve in a given amount of solvent at a specific temperature?

• Concentration

• Solubility

• Saturation

• Dissolution

Which of the following factors does NOT affect the solubility of a solid in a liquid?

• Temperature

• Pressure

• Nature of the solute and solvent

• Surface area of the solute

What is the term for a solution that contains the maximum amount of dissolved solute at a given temperature?

• Unsaturated solution

• Saturated solution

• Supersaturated solution

• Dilute solution