wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Mixtures, Solubility, and Acid/Base Solutions

Total questions: 37

Worksheet time: 19mins

Name
Class
Date
1.

What is matter that is always made up of the same combination of atoms?

a)

Mixture

b)

Substance

c)

Solution

2.

What is a physical blend of two or more substances that are not chemically bonded?

a)

Substance

b)

Mixture

c)

Solution

3.

A mixture where the substances are evenly mixed on the atomic level is called a:

a)

Heterogeneous mixture

b)

Homogeneous mixture

c)

Suspension

4.

Which type of mixture has substances that are not evenly mixed and are visible?

a)

Homogeneous mixture

b)

Solution

c)

Heterogeneous mixture

5.

In a solution, the substance present in the greatest amount is the:

a)

a) Solute

b)

b) Solvent

c)

c) Indicator

6.

In a solution, all substances other than the solvent are called:

a)

Bases

b)

Acids

c)

Solutes

7.

A molecule with a slightly negative end and a slightly positive end is known as a:

a)

Nonpolar molecule

b)

Ionic molecule

c)

Polar molecule

8.

The amount of a specific solute in a given amount of solution is defined as its:

a)

Solubility

b)

pH

c)

Concentration

9.

What is the maximum amount of solute that can dissolve in a given amount of solvent at a specific temperature and pressure?

a)

Concentration

b)

Solubility

c)

Solution

10.

A solution that contains the maximum amount of solute it can hold under given conditions is a(n):

a)

Unsaturated solution

b)

Saturated solution

c)

Supersaturated solution

11.

A solution that can still dissolve more solute at a given temperature and pressure is a(n):

a)

Saturated solution

b)

Unsaturated solution

c)

Equilibrium solution

12.

Why is water often referred to as the "Universal Solvent"?

a)

It can dissolve any known substance.

b)

It dissolves many different substances.

c)

It is the most abundant solvent on Earth.

13.

Polar solvents are generally good at dissolving which types of solutes?

a)

Nonpolar solutes

b)

Polar solutes

c)

Covalent solutes

14.

To calculate concentration, you would use the formula:

a)

Volume of solution / Mass of solute

b)

Mass of solute / Volume of solution

c)

Mass of solute * Volume of solution

15.

If 2.0 g of sugar is dissolved in 0.5 L of water, what is the concentration of the sugar solution?

a)

1.0 g/L

b)

4.0 g/L

c)

0.25 g/L

16.

In general, increasing the temperature of a liquid solvent increases the solubility of a:

a)

Gaseous solute

b)

Solid solute

c)

Both gaseous and solid solutes

17.

Increasing the pressure of a gas above a liquid generally affects the solubility of the gas in the liquid in what way?

a)

Decreases solubility

b)

Increases solubility

c)

Does not affect solubility

18.

How does pressure affect the solubility of a solid solute in a liquid?

a)

Increased pressure increases solubility.

b)

Increased pressure decreases solubility.

c)

Pressure does not significantly affect solid solubility.

19.

What type of substance produces a hydronium ion [H3O+] when dissolved in water?

a)

A base

b)

A salt

c)

An acid

20.

What is the chemical formula for the hydronium ion?

a)

OH-

b)

H2O

c)

H3O+

21.

A substance that produces a hydroxide ion [OH-] when dissolved in water is called a(n):

a)

Acid

b)

Base

c)

Indicator

22.

Which of the following is a common property of acids?

a)

Tastes bitter

b)

Feels slippery

c)

Tastes sour

23.

Which of the following is a common property of bases?

a)

Tastes sour

b)

Feels slippery when mixed with water

c)

Reacts with metals to produce hydrogen gas

24.

The pH scale is an inverse measure of the concentration of which ion in a solution?

a)

Hydroxide ion [OH-]

b)

Hydronium ion [H3O+]

c)

Sodium ion [Na+]

25.

As the concentration of hydronium ions [H3O+] in a solution increases, the pH:

a)

Increases

b)

Decreases

c)

Remains the same

26.

As the concentration of hydronium ions [H3O+] in a solution decreases, the pH:

a)

Increases

b)

Decreases

c)

Remains the same

27.

In an acidic solution, the concentration of hydronium ions [H3O+] is:

a)

Less than the concentration of hydroxide ions [OH-]

b)

Greater than the concentration of hydroxide ions [OH-]

c)

Equal to the concentration of hydroxide ions [OH-]

28.

In a neutral solution, the concentration of hydronium ions [H3O+] is:

a)

Less than the concentration of hydroxide ions [OH-]

b)

Greater than the concentration of hydroxide ions [OH-]

c)

Equal to the concentration of hydroxide ions [OH-]

29.

In a basic solution, the concentration of hydronium ions [H3O+] is:

a)

Less than the concentration of hydroxide ions [OH-]

b)

Greater than the concentration of hydroxide ions [OH-]

c)

Equal to the concentration of hydroxide ions [OH-]

30.

Compounds that change color in the presence of acidic or basic solutions are called:

a)

Solutes

b)

Solvents

c)

Indicators

31.

A solution with a pH of 7 is considered:

a)

Acidic

b)

Basic

c)

Neutral

32.

A solution with a pH of 9 is how many times more basic than a solution with a pH of 8?

a)

2 times

b)

10 times

c)

100 times

33.

A solution with a pH of 4 is how many times more acidic than a solution with a pH of 6?

a)

2 times

b)

10 times

c)

100 times

34.

Which pH value would indicate an acidic solution?

a)

pH = 2

b)

pH = 7

c)

pH = 10

35.

Which pH value would indicate a basic solution?

a)

pH = 3

b)

pH = 7

c)

pH = 10

36.
Which of the following is a basic solution?
a)

Window Cleaner with Ammonia

b)

HCl Dissolved In Water

c)

Vinegar

d)

Pure Water

37.

Which of the following is an acidic solution?

a)

Baking Soda

b)

Orange Cream Coke

c)

Ammonia

d)

Pure Water