Solutions Online Test Review 2020

A solution is _________________

• a homogeneous mixture

• a heterogeneous mixture

• a pure substance

• a colloid

Which is TRUE about solutions?

• solutions cannot be separated

• solutions scatter light

• solutions a made when a solute is dissolved in a solvent

• all solutions are liquid

Oil and water are liquids that do not mix. They are called _____

• miscible

• immiscible

• saturated

• soluble

When a solution contains the maximum amount of solute that can be dissolved, it is called a/an _________________ solution

• unsaturated

• immiscible

• suspended

• saturated

The universal solvent

• ethanol

• water

• acetic acid

• air

Solution to which additional solute can be added and will dissolve

• unsaturated

• saturated

• supersaturated

• suspension

What types of solutes dissolve in polar solvents?

• polar

• nonpolar

• oils

• only gaseous solutes

Why is acid added to water (instead of the other way around) and in small amounts at a time?

• it is a very exothermic reaction and absorbs a lot of heat

• it is a very endothermic reaction and produces a lot of heat

• it is a very exothermic reaction and produces a lot of heat

• it is a very unpredictable reaction and the products are unknown

In general, increasing temperature, increasing surface area, and stirring will ______________ solubility rates

• increase

• decrease

• not change

what is used to measure concentration in chemistry?

• mass

• distillation

• length

• molarity