Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Reactivity Test Review

Total questions: 45

Worksheet time: 55mins

Name
Class
Date
1.

A type of chemical that forms solutions that taste sour, due to high concentrations of positive hydrogen ions

a)

acid

b)

base

c)

salt

d)

pH

2.
Identify the salt in the following equation:
Zn(OH)2 + HNO3   ---> H2O  + Zn(NO3)2
a)
Zn(OH)2
b)
HNO3
c)
H2O
d)
Zn(NO3)2
3.
What are the products to a neutralization reaction?
a)
H2 + Ionic Salt
b)
H2O + Ionic Salt
c)
H3O+ + Ionic Salt
d)
OH- + Ionic Salt
4.
Ca(OH)2 is an example of a(n)
a)
Acid
b)
Base
c)
Neutral
5.
HBr is an example of a(n)
a)
Acid
b)
Base
c)
Neutral
6.
If there is excess hydrogen ions, the solution will be...
a)
acidic
b)
basic
7.
If there is excess hydroxide ions, the solution will be...
a)
acidic
b)
basic
8.
At what pH is a solution neutral?
a)
0
b)
7
c)
14
9.

NH3 + H2O → NH4+ + OH-

NH3 is a Bronsted Lowry

a)

Acid

b)

Base

c)

conjugate acid

d)

conjugate base

10.

HCO3- + H2O → H3O+ + CO32-

Water is acting as

a)

a Bronsted Lowry base

b)

a Bronsted Lowry acid

c)

a strong acid

d)

a weak acid

11.

HNO3 + H2O → H3O+ + NO31-

NO31- is the conjugate base of

a)

H2O

b)

HNO3

c)

H3O+

d)

none of the above

12.

HC2H3O2 + H2O → H3O+ + C2H3O21-

HC2H3O2 is acting as

a)

a conjugate base

b)

a Bronsted Lowry base

c)

a Bronsted Lowry acid

d)

none of the above

13.

What is the conjugate base of H2SO4?

a)

SO42-

b)

H2SO3

c)

HSO31-

d)

HSO41-

14.

What is this piece of apparatus called

a)

Pipette

b)

Burette

c)

Janette

d)

Cuvette

15.

30ml of NaOH is neutralised by 12.3ml of 0.2mol/l HCl. What is the concentration of the NaOH.

a)

82 mol/l

b)

0.82 mol/l

c)

0.49 mol/l

d)

0.082 mol/l

16.
The reaction of hydrochloric acid (HCl) with ammonia (NH3) is described by the equation:
HCl + NH3 → NH4Cl
A student is titrating 100.0 mL of 0.10 M NH3 with 0.5 M HCl. How much hydrochloric acid must be added to react completely with the ammonia?
a)
20.0mL
b)
500.0mL
c)
100.0mL
d)
5.0mL
17.
What element is being Oxidized?
a)
N
b)
H
c)
O
d)
S
18.
Is calcium oxidized or reduced in the following reaction? 
2 CaO--> 2 Ca + O2
a)
Oxidized
b)
Reduced
19.

What is the oxidation number of chlorine in HClO?

a)

0

b)

-1

c)

+1

d)

+5

20.

Oxidation is the _________ of electrons.

a)

loss

b)

gain

c)

sharing

d)

transfer

21.

The sum of the oxidation numbers in SCN- is equivalent to

a)

0

b)

-1

c)

+1

d)

+3

22.

In the reaction Zn + 2HCl --> ZnCl2 + H2

which element, if any, is oxidized?

a)

Zinc

b)

Hydrogen

c)

Chlorine

d)

None

23.

What is a titration?

a)

when the moles of hydrogen ions is equal to the moles of hydroxide ions

b)

adding a known amount of solution of known concentration to determine the concentration of an unknown

c)

reaction in which an acid and a base react in an aqueous solution to produce a salt and water

d)

the extent of ionization of an acid or base

24.

Which of the following are strong acids? Select all that apply

a)

HI

b)

H2SO4

c)

HF

d)

HCl

e)

HClO4

25.

An arrhenius acid

a)

produces hydroxide ions in a solution

b)

is a proton donor

c)

produces hydrogen ions in a solution

d)

is a proton acceptor

26.

An arrhenius base

a)

produces hydroxide ions in a solution

b)

is a proton donor

c)

produces hydrogen ions in a solution

d)

is a proton acceptor

27.

A bronsted lowry base

a)

produces hydroxide ions in a solution

b)

is a proton donor

c)

produces hydrogen ions in a solution

d)

is a proton acceptor

28.

A bronsted lowry acid

a)

produces hydroxide ions in a solution

b)

is a proton donor

c)

produces hydrogen ions in a solution

d)

is a proton acceptor

29.

Water can act as both an acid and a base according to the bronsted lowry model. This means water is

a)

neutral

b)

conjugate

c)

ionic

d)

amphoteric

30.

pH is the measure of the concentration of ______.

a)

Acids

b)

H+ ion

c)

OH- ion

d)

Bases

31.
If a solution is basic which ion will be more present?
a)
H+
b)
K+
c)
OH-
d)
H-
32.

Strong acids and base will ______________ in water.

a)

Completely dissociate

b)

Partially dissociate

c)

not dissociate

d)

don't know

33.

Why are strong acid and base solutions good conductors of electricity?

a)

Strong acids and bases have a low concentration of ions in solution

b)

Strong acids and bases have no ions in solution

c)

strong acids and bases have a high concentration of ions in solution

34.

KOH has a pOH of 3.0, what is the [OH-]?

a)

0.01 M

b)

0.001 M

c)

0.0001 M

d)

0.1 M

35.

What is the pOH of a solution with and [OH-] = 4.5 x 10-4?

a)

3.53

b)

3.80

c)

3.35

d)

5.33

36.

A solution of HCl has a [H+] = 7.2 x 10-9. Is this and acid or a base?

a)

Acid

b)

Base

37.
What is the [H+] if the pH is 4.0?
a)
1.0 x 10-10  M
b)
1.0 x 10-4  M
c)
1.0 x 10-14  M
d)
1.0 x 10-7  M
38.

What is the pH of a 1.53 x 10-6 M solution of HCl?

a)

5.82

b)

8.18

c)

6.99

d)

4.15

39.
Another name for a "oxidation-reduction" reaction is
a)
chemical reaction
b)
neutralization reaction
c)
redox reaction
d)
nuclear reaction
40.
Which statement is true:
Mg → Mg2+ + 2e–
a)
Mg gains 2 electrons
b)
Mg2+ loses 2 electrons
c)
Mg loses 1 electron
d)
Mg loses 2 electrons
41.

In a reaction, copper is reduced; its number of electrons has:

a)

Increased

b)

Decreased

c)

Remained Constant

d)

Varies Randomly

42.

Cl2 + 2e- --> 2Cl - is an example of:

a)

a chemical reaction

b)

redox

c)

oxidation

d)

reduction

43.

Substance that oxidizes another substance by accepting its electrons.

a)

reducing agent

b)

oxidation number

c)

combustion

d)

oxidizing agent

44.

Substance that reduces another substance by losing electrons.

a)

reducing agent

b)

half-reaction

c)

electronegative atom

d)

oxidizing agent

45.
Which of the following half reactions correctly represents a reduction half reaction?
a)
Fe →Fe2+ + 2e-
b)
Pb4+ + 2e- →Pb2+
c)
2O-2 →O2 + 4e-
d)
Fe + 3e- →Fe3+

Similar Resources on Wayground

Properties of Matter

45 questions

Properties of Matter

quiz

Worksheet

•

8th - 10th Grade

Stoichiometry

50 questions

Stoichiometry

quiz

Worksheet

•

9th - 12th Grade

Solutions

44 questions

Solutions

quiz

Worksheet

•

10th - 12th Grade

CONCURSO LOCAL QUÍMICA

44 questions

CONCURSO LOCAL QUÍMICA

quiz

Worksheet

•

10th Grade

chemical reaction and equations 2

50 questions

chemical reaction and equations 2

quiz

Worksheet

•

10th Grade

Cockermouth School - GCSE Chemical change (metals)

40 questions

Cockermouth School - GCSE Chemical change (metals)

quiz

Worksheet

•

9th - 11th Grade

Class Expectations and 1st semester review

40 questions

Class Expectations and 1st semester review

quiz

Worksheet

•

10th Grade

Chem Unit 1 Review

40 questions

Chem Unit 1 Review

quiz

Worksheet

•

10th - 11th Grade