Solutions Retest

If 80g of KBr were dissolved in 100 grams of water at 35^∘C, which of these terms would best describe the solution?

• saturated

• unsaturated

• supersaturated

In a solution, the solute is the substance that

• Dissolves in the solvent

• Is in the greatest quantity

• Is the liquid

• Is a solid

Which of the following will NOT increase the rate at which a solute dissolves in a solvent?

• Increasing the surface area of the solute

• Stirring the solvent

• Increasing the temperature

• Increasing the particle size of the solute

The maximum amount of a substance that is dissolved in a given solution at a constant temperature

• Concentration

• Solubility

• Polarity

• Saturation point

Tags

NGSS.HS-PS1-5

Heating a solvent _______ the energy of its particles, making them move faster on average, and ________ the rate at which a solid solute can dissolve in the solvent.

• increases, increases

• increases, decreases

• decreases, decreases

• decreases, increases

Tags

NGSS.HS-PS1-5

NGSS.HS-PS3-2

A solution that is able to dissolve additional solute is best described as

• supersaturated.

• concentrated.

• saturated

• unsaturated.

What type of mixture separates upon standing?

• Solution
• Alloy
• Colloid
• Suspension

a mixture that has a lot of solute dissolved in it

• diluted solution

• concentrated solution

• saturated solution

• supersaturated mixture

Tags

NGSS.HS-PS1-5

a mixture that contains less dissolved solute than is possible at a given temperature

• unsaturated solution

• supersaturated solution

• saturated solution

• diluted solution

The Tyndall Effect is not visible in which of the following?

• Solution

• Suspension

• Colloid

• Heterogeneous Mixture

Tags

NGSS.MS-PS4-2