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Worksheets

Acid Base Test

Total questions: 41

Worksheet time: 41mins

Name
Class
Date
1.

Which of the following pH numbers indicates a neutral substance?

a)

1

b)

5

c)

7

d)

14

e)

none are correct

2.

Which of the following pH numbers indicates a strong acid?

a)

1

b)

5

c)

7

d)

14

e)

none are correct

3.

Which of the following pH numbers indicate a strong alkali (base)?

a)

1

b)

5

c)

7

d)

14

e)

none are correct

4.

What is the pH of pure water?

a)

pH 7

b)

pH 3

c)

pH 12

d)

pH 8

e)

none are correct

5.

What two substance are formed when an acid and alkali (base) react together in equal amounts?

a)

Salt and water

b)

Alkali and water

c)

Acid and water

d)

Acid and alkali

e)

none are correct

6.

When found in food, acids are ________

a)

Sour

b)

Bitter

c)

Salty

d)

Slippery

e)

Nasty

7.

When dissolved in water, acids produce:

a)

bases

b)

salts

c)

hydrogen (H+) ions

d)

hydroxide (OH-) ions

e)

none are correct

8.

When dissolved in water, bases produce:

a)

bases

b)

salts

c)

hydrogen (H+) ions

d)

hydroxide (OH-) ions

e)

none are correct

9.

Which of the following is not the properties of alkalis?

a)

Slipery

b)

Have a pH less than 7

c)

The pH scale of alkalis from 8 - 14

d)

Corrosive (break apart)

e)

none are correct

10.

Reaction between acid and alkali producing salt and water:

a)

Combustion

b)

Neutralization

c)

Precipitation

d)

Decomposition

e)

none are correct

11.

Dentists say do not drink lots of beverages like soda because they are very acidic. Calcium phosphate is present in tooth enamel its likely to be

a)

basic

b)

acidic

c)

neutral

d)

amphoteric

e)

none are correct

12.

NaOH may be found in drain cleaners and as a component of soaps. Is NaOH an acid or a base?

a)

Acid

b)

Base

c)

Neutral

d)

none are correct

13.

The table shows the pH of several solutions. Which solution has the greatest concentration (amount) of H+ ions?

a)

vinegar

b)

milk

c)

water

d)

bleach

e)

none are correct

14.

What element do all acids contain?

a)

H

b)

OH

c)

C

d)

He

e)

O

15.

Correctly name this formula chlorous acid

a)

HClO3

b)

HClO2

c)

HClO

d)

HCl

e)

none are correct

16.

Correctly name this formula HF

a)

flouric acid

b)

hydrofluoric acid

c)

fluorate acid

d)

hydrogen fluoridic acid

e)

none are correct

17.

Correctly name this formula H2SO3

a)

sulfuric acid

b)

hydrosulfuric acid

c)

sulfurous acid

d)

persulfuric acid

e)

none are correct

18.

What is the formula for Iron (III) hydroxide?

a)

Fe3(OH)

b)

Fe(OH)3

c)

3FeOH

d)

FeH

e)

none are correct

19.

LiOH + HCl --> ???

What are the products in this neutralization reaction?

a)

HCl and H2O

b)

LiCl and H2O

c)

LiH and ClO

d)

H+ and OH-

e)

none are correct

20.

Select the name for the following acid: H3PO4

a)

Phosphoric acid

b)

Phosphorous acid

c)

Hydrophosphoric acid

d)

hydrogen phosphade

e)

none are correct

21.

What is the pH of a substance with a pOH of 8?

a)

14

b)

6

c)

8

d)

1

e)

none are correct

22.

What is the pH of a 0.0055M HCl solution?

a)

0.0055

b)

2.3

c)

-2.3

d)

10

e)

none are correct

23.

What is the pOH of a solution of NaOH with a molarity of 0.75?

a)

13.88

b)

0.75

c)

0.12

d)

13.25

e)

none are correct

24.

What salt is formed when hydrochloric acid (HCl) is neutralized by potassium hydroxide (KOH)?

a)

potassium chloride

b)

potassium chlorate

c)

potassium chlorite

d)

potassium perchlorate

e)

none are correct

25.

The pH of a solution is 8.43. What is the [H3O+]concentration?

a)

3.7 x 10 -9

b)

1.0 x 10-8.43

c)

2.7 x 10-6

d)

1.0 x 10-14

e)

none are correct

26.

If the [H+] of a solution is 1 x 10-3 M, the pH is

a)

11

b)

-3

c)

3

d)

1

e)

none are correct

27.

If the [OH-] of a solution is 2.7 x 10-4 M, the pOH of the solution is

a)

10.44

b)

1.00

c)

3.57

d)

-4.43

e)

none are correct

28.

If the [H3O+] of a solution is 6.8 x 10-8 M, the pH is

a)

7.17

b)

3.2 x 10-5

c)

7.2

d)

7.62

e)

none are correct

29.

If the [H3O+] of a solution is 9.3 x 10-3 M, the pOH of the solution will be

a)

2.03

b)

1.02

c)

11.97

d)

12.98

e)

none are correct

30.

If a solution has a pOH of 3.7 the [OH-] of the solution is

a)

5.0 x 10-11

b)

2.0 x 10-4

c)

10.3

d)

14

e)

none are correct

31.

Predict the products of this reaction.

HCl + Ca(OH)2

a)

NaCl + HCl

b)

CaCl2 + HCl

c)

CaCl2 + H2O

d)

H2O + CaOH

e)

none are correct

32.

What type of reaction is the following:

HCl + Zn --> ZnCl2 + H2

a)

Neutralization

b)

Acid and a metal

c)

Acid and a carbonate

d)

Ionic

e)

none are correct

33.

What are the correct products for this reaction HBr + Mg(OH)2

a)

2HMg + Br(OH)2

b)

2H2O + MgBr2

c)

H2O + Mg2Br

d)

MgO2 + H2Br

e)

none are correct

34.

Identify the salt in the following equation:

HNO3 + Zn(OH)2 Zn(NO3)2 + H2O

a)

HNO3

b)

Zn(OH)2

c)

Zn(NO3)2

d)

H2O

e)

none are correct

35.

What gas is produced when a metal reacts with an acid?

a)

Water vapor

b)

Acidic gas

c)

Hydrogen

d)

Nitrogen

e)

none are correct

36.

What are the reactants for the reaction of metal with acid?

Metal + acid ---> metal salt + hydrogen

a)

Hydrogen and acid

b)

Metal salt and metal

c)

Metal and metal salt

d)

Metal and acid

e)

none are correct

37.

What are the products for the reaction of metal with acid?

Metal + acid ---> metal salt + hydrogen

a)

Metal salt and hydrogen

b)

Metal salt

c)

Metal and a salt

d)

Acid and hydrogen

e)

none are correct

38.

Which salt will be produced if magnesium react with hydrochloric acid?

a)

Magnesium oxide

b)

Magnesium sulfate

c)

Magnesium sulfide

d)

Magnesium chloride

e)

none are correct

39.

Zinc + sulfuric acid (H2SO4) -->

a)

Zinc sulfide + hydrogen

b)

Zinc sulfate + hydrogen

c)

Zinc sulfate + Water +Carbon dioxide

d)

Zinc sulfide + water

e)

none are correct

40.

Magnesium + hydrochloric acid (HCl)-->

a)

Magnesium chloride + water

b)

Magnesium chloride + hydrogen

c)

Magnesium hydrochloride + hydrogen

d)

Magnesium chloride + water + carbon dioxide

e)

none are correct

41.

Iron + hydrochloric acid (HCl) -->

a)

Iron chloride + hydrogen

b)

Iron chloride + carbondioxide

c)

Iron hydroxide + acid

d)

Iron chloric + hydrogen

e)

none are correct