wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

PD solutions and solubility

Total questions: 29

Worksheet time: 15mins

Name
Class
Date
1.

Which is a substance able to dissolve other substances in a solution?

a)

Solute

b)

Solvent

c)

Buffer

2.

Which is a minor component in a solution which is dissolved?

a)

Solute

b)

Solvent

c)

reactant

d)

rarity

3.

A solution in which a solid, gas, or liquid is dissolved in a liquid solvent

a)

liquid solution

b)

aqueous solution

c)

gaseous solution

d)

alkali

4.

A solution in which two or more gases are mixed together evenly.

a)

liquid solution

b)

aqueous solution

c)

gaseous solution

d)

carbonated solution

5.

A solid that dissolves in water to form an aqueous solution

a)

water-soluble solid

b)

basic substance

c)

solvent

d)

alloy

6.

A solution formed when 2 or more solids melt together or when a metal and a nonmetal melt together is called what?

a)

alkali

b)

alloy

c)

actinide

d)

halogen

7.

An alloy formed when iron and chromium melt together is called_____.

a)

brass

b)

stainless steel

c)

jeweler's gold

d)

pewter

8.

An alloy formed when copper and zinc are melted together is called______.

a)

brass

b)

stainless steel

c)

jeweler's gold

d)

pewter

9.

Because vitamin C is _____-soluble, excess will be eliminated from the body in urine.

a)

fat

b)

water

c)

universally

10.

A solution in which water is the solvent is called a _____ solution.(choose the BEST answer)

a)

liquid

b)

aqueous

c)

gaseous

d)

allloy

11.

______ is the a universal solvent because it will dissolve both polar and nonpolar solutes.

a)

oil

b)

ethanol

c)

water

d)

isopropyl alcohol

12.

What is a substance that has molecules whose electric charges are unequally distributed?

a)

nonpolar substance

b)

polar substance

c)

solution

d)

solvent

13.

A solution is a __________ mixture of two or more substances.

a)

homogeneous

b)

heterogeneous

14.

What are three ways that you can increase the speed of dissolving a solute?

a)

change the temperature

b)

leave the solution out overnight

c)

increase surface area of the solute

d)

move the solution (stirring)

15.

Water is a ________ solvent.

a)

nonpolar

b)

polar

c)

acidic

d)

basic

16.

The process of removing salt from ocean water to obtain freshwater for drinking is called__________.

a)

desalination

b)

acidification

c)

purification

17.

______ is the amount of salt in water.

a)

acidity

b)

alkalinity

c)

salinity

d)

turbidity

18.

The three primary gases in ocean water are ____, ____ and ____.

a)

oxygen

b)

nitrogen

c)

chlorine

d)

carbon dioxide

19.

CO2 is essential for marine animals, however excess CO2 can lead to increased _____ of ocean water.

a)

pollution

b)

acidity

c)

gaseousness

d)

hardness

20.

Ocean water is salty because_____.

a)

marine animals excrete salty substances.

b)

slightly acidic precipitation dissolves minerals in rocks and soil which then carry to rivers and then ultimately oceans.

c)

Salt in the sea floor causes the water to be salty.

21.

a _______ solution has a small amount of solute to a large amount of solvent.

a)

dilute

b)

saturated

c)

supersaturated

22.

The maximum amount of a solute that can be dissolved in a given amount of solvent at a given temperature is _____.

a)

solution

b)

Solubility

c)

dissolvability

23.

a solution that contains more solute than a saturated solution at the same temperature is called_______.

a)

ultrasaturated

b)

acidified

c)

supersaturated

d)

unsaturated

24.

Why does shaking a soda make it fizz out?

a)

You are exposing more gas particles to the surface, so they leave the solution.

b)

You are adding more gas to the solution so it fizzes.

c)

You are warming the solution and causing fizz.

25.

A _______ solution is any solution that can dissolve more solute at a particular temperature.

a)

saturated

b)

supersaturated

c)

unsaturated

d)

alkali

26.

___________ is lowering the freezing point of a solvent by adding a solute .

a)

Freezing point depression

b)

boiling point elevation

c)

phase change

d)

solubility

27.

___________ is the point at which a liquid becomes a gas.

a)

freezing point

b)

boiling point

c)

sublimination

28.

adding antifreeze to a car's coolant system will _______ the freezing point of the water in the car's cooling system.

a)

increase

b)

depress

c)

elevate

d)

eliminate

29.

Adding NaCl to water ______ the boiling point by slowing down the movement of water molecules in solution.

a)

increases

b)

decreases