Solutions Test Review

What do you call the mixture that forms when salt dissolves in water?

• solute
• solvent
• solution
• isotope

If a solution has the ability to dissolve more salt, it is classified as _______________.

• supersaturated
• saturated
• unsaturated
• monosaturated

If a student wants to increase the concentration of a solution, the easiest thing to do is ...

• add more solvent

• add more solute

• remove some solvent

• remove some solute

Tags

NGSS.HS-PS1-5

In the above picture, a powder is about to be poured into the liquid. Which of the following should be done to make this powder dissolve faster?

• stir the powder in the liquid
• freeze the mixture
• add more powder to the liquid
• store the mixture in a dark place

Tags

NGSS.HS-PS1-5

temperature affects the solubility of which salt the most?

• NaCl
• NaNO₃
• KNO₃

Which statement best describes how increasing the temperature of a solution affects solubility?

• increases solubility of solids and gases
• decreases solubililty of solids and gases
• decreases solubility of a gas and increases solid
• increases gas and decrease solid

Predict the solubility if the temperature were raised to 90⁰ C

• 100 g
• 550 g
• 700 g
• 1000 g

If the saturated solution of glucose at 80°C was suddenly cooled to 40°C, what would happen?

• More solute could be added
• the solution would cool off
• the solution becomes supersaturated

When 2.2 grams of NaCl are poured into a solution of salt, the NaCl dissolves. What can be determined about the original solution from this observation?

• the solution was saturated
• the solution was hypersaturated
• the solution was supersaturated
• the solution was unsaturated

A student is testing the rate of dissolution of a whole antacid tablet versus a crushed tablet. The crushed tablet would —

• take the same time to dissolve
• take more time to dissolve
• dissolve slower
• dissolve faster