Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Lesson 5: Acids and Bases

Total questions: 26

Worksheet time: 23mins

Name
Class
Date
1.

Which of the following is an Arrhenius base?

a)

KOH

b)

H2CO3

c)

NaCl

d)

NH3

2.

An acidic solution:

a)

has [H3O+]=1x10^-14M

b)

has pOH < 7

c)

has pOH >7

d)

turns red litmus blue

3.

If a solution has a [H3O+] of 1 x 10-3M, then the [OH-] would be:

a)

1x10-3 M

b)

1x10-14 M

c)

1x10-11 M

d)

1x10-7 M

4.

If the pH of a solution is 10.0, then the [OH-] is:

a)

1x 10-4 M

b)

1x 10-10 M

c)

1x10-14 M

d)

1x10-7M

5.

The conjugate acid of HPO4 2- is:

a)

H3PO4

b)

H2PO4-

c)

PO43-

d)

H4PO4+

6.
What is the pH of water?
a)
0
b)
4
c)
7
d)
14
7.
What does a pH of 1 indicate about a liquid?
a)
it is a very strong base
b)
it is a weak base 
c)
it is a weak acid
d)
it is a strong acid
8.
When dissolved in water, acids produce:
a)
bases
b)
salts
c)
hydrogen ions
d)
hydroxide ions
9.
A hydrogen ion, H+, is the same as a(n):
a)
neutron
b)
electron
c)
proton
d)
hydroxide ion
10.
This is one way to show a neutral substance:
a)
[H+]=[OH-]
b)
[H+]~~[OH-]
c)
[H+]<[OH-]
d)
[H+]>[OH-]
11.
An indicator will ______________ when it is in contact with an acid or base
a)
Bubble
b)
Form a new substance
c)
Change color
d)
Stay the same color
12.
Acids have a _______ taste. 
a)
sour
b)
bitter
c)
sweet
d)
salty
13.
pH is a measure of
a)
the hydronium ion concentration
b)
the hydroxide ion concentration
c)
dissociation
d)
ionization
14.
A Bronsted acid is one that
a)
forms water and a salt
b)
is always neutral in solution.
c)
donates protons in solution.
d)
accepts protons in solution.
15.
Acids react with bases to form
a)
carbon dioxide gas
b)
hydrogen gas
c)
water and a salt
d)
water and sodium chloride
16.
A strong base is defined as a substance which
a)
donates protons very strongly.
b)
accepts protons very strongly.
c)
form many hydronium ions.
d)
dissociates almost completely.
17.
An Arrhenius base is one defined as any substance which
a)
creates hydronium ions.
b)
creates water
c)
creates hydroxide ions
d)
dissociates completely
18.

The laboratory method used to determine the concentration of an acid or base in solution by performing a neutralization reaction with a standard solution is called:

a)

neutralization

b)

salination

c)

titration

d)

acid/base experimentation

19.

When a titration is complete, what two things are equal?

a)

the volume of acid and the volume of base

b)

the moles of acid and the moles of base

c)

the volume of hydrogen ions and the volume of hydroxide ions

d)

the moles of hydrogen ions and the moles of hydroxide ions

20.

If 25.0 mL of 0.50 M NaOH is used to titrate 45.0 mL of HCl, what is the molarity of the acid?

a)

0.28 M

b)

0.90 M

c)

0.56 M

d)

0.14 M

21.

Complete the following reaction:

HNO3 + Ca(OH)2 -->

a)

Ca(NO3)2 + H2O

b)

Ca +H2O

c)

Ca(NO3)2 + H2

d)

Ca(NO3)2 + H2O + CO2

22.

An aqueous solution is:

a)

any liquid with another compound dissolved in it.

b)

an ionic compound with water dissolved in it.

c)

water with another compound dissolved in it.

d)

none of the above

23.

In writing the chemical equation for a precipitation reaction, what abbreviation of the physical state must appear with one of the products?

a)

(s)

b)

(g)

c)

(l)

d)

(w)

24.

.............................. + sodium hydroxide --> sodium chloride + water

a)

Nitric acid

b)

Sulphuric acid

c)

Hydrochloric acid

d)

Ethanoic acid

25.

A 25.00 mL of ammonia solution, NH3, is titrated with 0.150 mol/L of hydrochloric acid solution, HCl, solution as shown in the figure, which of the following is correct:


I The titrant is HCl

II The analyte is NH3

III The type of salt formed is basic

a)

II only

b)

II and III

c)

I and II

d)

I,II and III

26.

Calculate the concentration of hydrochloric acid if 25.0 mL of 0.050 M sodium carbonate solution is neutralised by 20.0 mL of hydrochloric acid.

The reaction involve here is given as:

2HCl(aq) + Na2CO3(aq) 2NaCl(aq) + H2O(l) + CO2(g)

a)

0.625

b)

0.0625

c)

0.012

d)

0.125

Similar Resources on Wayground

International and Internal Boundaries

29 questions

International and Internal Boundaries

quiz

Worksheet

•

9th - 12th Grade

Iceland volcano Eyjafjallajökull eruption 2010

21 questions

Iceland volcano Eyjafjallajökull eruption 2010

quiz

Worksheet

•

9th - 12th Grade

Semana internacional EF 2021

22 questions

Semana internacional EF 2021

quiz

Worksheet

•

10th Grade - University

Ch. 14 Severe Weather Quiz

22 questions

Ch. 14 Severe Weather Quiz

quiz

Worksheet

•

9th - 12th Grade

Countries Secondary (mostly Europe)

23 questions

Countries Secondary (mostly Europe)

quiz

Worksheet

•

6th - 12th Grade

Tools of Geography

21 questions

Tools of Geography

quiz

Worksheet

•

6th - 12th Grade

Geography of Indian Subcontinent

24 questions

Geography of Indian Subcontinent

quiz

Worksheet

•

5th - 12th Grade

Canada, vg1 English

21 questions

Canada, vg1 English

quiz

Worksheet

•

KG - University