Fluids Final Exam Review 2022

Which of the following best describes the properties of a liquid?

• fixed volume, changeable shape

• changeable shape and volume

• fixed shape and volume

• fixed shape, changeable volume

Which of these is a homogeneous mixture?

• oxygen

• sugar water

• lined paper

• sodium chloride

Sand + water is best described as a?

• Pure Substance

• Compound

• Mechanical Mixture

• Homogenous Mixture

What combination is likely to be separated by the filter paper and funnel shown?

• Hydrogen and oxygen

• Salt and water

• Sand and water

• Oxygen and nitrogen

You are making a drink using drink crystals. Which statement below is correct?

• The crystals are the solute and water is the solvent.

• The water is the solute, and the crystals are the solvent.

• The crystals are the solution and the water is the solute.

• The water is the solution and the crystals are the solute.

Sugar dissolves in water because

• The water particles are very attracted to each other

• The sugar particles are very attracted to each other

• The sugar particles are not attracted to the water particles

• the sugar particles are very attracted to the water particles

What is the percent by mass of NaCl in a solution that contains 17.5 g NaCl per 500.0 g of water?

• 0.035%

• 2.50%

• 3.50%

• 17.50%

"Solubility" refers to

• the maximum amount of solvent that can be dissolved at a given temperature

• the maximum amount of a solute that can be dissolved in a fixed volume of solvent at a given temperature

• the minimum temperature that a solute must be in order to dissolve all of a given solvent

• the maximum temperature that a solvent must be in order to dissolve all of a given solute

The solubility of most solutes __________ as the temperature goes up.

• Decreases

• Stays the same

• Increases

• Rapid increase, then rapid decrease

A solution that contains very little solute is described as __________.

• Concentrated

• Dilute

• Soluble

• Saturated