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General properties and Definitions of Acids and Bases

Total questions: 50

Worksheet time: 50mins

Name
Class
Date
1.

Has a pH more than 7

a)

acid

b)

base

c)

both an acid and a base

2.

Tastes bitter

a)

acid

b)

base

c)

both an acid and a base

3.

Ends with "OH-"

a)

acid

b)

base

c)

both an acid and a base

4.

Turns indicators different colors

a)

acid

b)

base

c)

both an acid and a base

5.

Conducts electricity (has electrolytes)

a)

acid

b)

base

c)

both an acid and a base

6.

Feels slippery

a)

acid

b)

base

c)

an acid and a base

7.

What is the formula for nitric acid ?

a)

HNO2

b)

H3N

c)

HNO3

d)

HNO

8.

What is the formula for hydrosulfuric acid

a)

H2S

b)

H2SO2

c)

H2SO3

d)

H2SO4

9.

Which of the following is NOT a strong base?

a)

NaOH

b)

RbOH

c)

Al(OH)3

d)

Ca(OH)2

10.

An Arrhenius acid is;

a)

produces hydroxide ions in a solution

b)

is a proton donor

c)

produces hydrogen ions in a solution

d)

is a proton acceptor

11.

An Arrhenius base is;

a)

produces hydroxide ions in a solution

b)

is a proton donor

c)

produces hydrogen ions in a solution

d)

is a proton acceptor

12.

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

13.

Identify the true statement about the following reaction:

F- + H2O --> HF +OH-

a)

H2O is a bronsted lowry base

b)

H2O is not an acid or base according to either model

c)

H2O is a bronsted lowry acid

d)

H2O is an arrhenius acid

14.

Choose the correct statements about HI based on the following reaction (select all that apply):

HI + H2O --> I- + H3O+

a)

HI is an arrhenius acid

b)

HI is an arrhenius base

c)

HI is a bronsted lowry acid

d)

HI is a bronsted lowry base

15.

Acid-base conjugate pairs differ by a single

a)

Electron

b)

Proton

c)

Neutron

d)

Oxygen

16.

Could C2H3O2- act as a base when placed in water?

a)

Yes, because it can accept a H+

b)

Yes, because it can donate a H+

c)

No, because it cannot donate a H+

d)

No, because it cannot accept a H+

17.

Which of the following show an acid and its conjugate base pair (in that order)

a)

H2SO4, SO42-

b)

OH-, H2O

c)

NH4+, H2O

d)

H2CO3, HCO3-

18.
What are the formulas for the following?
--sulfuric acid--
--nitric acid--
a)
H2SO, HNO
b)
H2SO3, HNO3
c)
H2S, H3N
d)
H2SO4, HNO3
19.
Strong acids and bases...
a)
do not break apart into ions (non-electrolyte)
b)
partially break apart into ions (weak electrolyte)
c)
completely break apart into ions (non-electrolyte)
d)
completely break apart into ions (strong electrolyte)
20.

Which of the following is NOT a strong acid

a)

Sulfuric acid

b)

Hydrochloric acid

c)

Perchloric acid

d)

Hydrofluoric acid

21.

Which of the following is a weak acid

a)

HClO3HClO_3

b)

H2SH_2S

c)

HNO3HNO_3

d)

HBr

22.

NH3 + H2O → NH4+ + OH-

NH3 is a Bronsted Lowry

a)

Acid

b)

Base

c)

conjugate acid

d)

conjugate base

23.

HNO3 + H2O → H3O+ + NO31-

NO31- is the conjugate base of

a)

H2O

b)

HNO3

c)

H3O+

d)

none of the above

24.
H3PO4 is an example of a ...
a)
acid
b)
base
c)
salt
25.
Zn(OH)2 is an example of a...
a)
acid
b)
base
c)
salt
26.

A student tests an unknown aqueous solution and finds it conducts electricity and turns litmus paper red. What can the student infer?

a)

The solution contains an acid.

b)

The solution contains a base.

c)

The solutions is neutral.

27.

A student tests an unknown aqueous solution and finds it conducts electricity and turns litmus paper blue. What can the student infer?

a)

The solution contains an acid.

b)

The solution contains a base.

c)

The solutions is neutral.

28.

Click on the acid.

A
B
C
D
29.

What is the name of HCl?

a)

hydrochloric acid

b)

chloric acid

c)

hypochloric acid

d)

chlorous acid

30.

What is the name of HClO3?

a)

hydrochloric acid

b)

chloric acid

c)

hypochloric acid

d)

chlorous acid

31.
Which of the following is most likely to be basic:
a)
Lemon juice
b)
Vinegar
c)
Laundry detergent
d)
Coke
32.
Why are bases useful as cleaning products?
a)
They dissolve fats and oils
b)
they are corrosive, so they eat anything
c)
they don't mix with water
d)
since bases are slippery, they slip dirt off of surfaces
33.

Which of the following will conduct electricity? Select all that apply

a)

Acidic solutions

b)

Basic solutions

c)

Ionic solutions

d)

Neutral covalent solutions

34.

What is the formula for hydrosulfuric acid

a)

H2S

b)

H2SO2

c)

H2SO3

d)

H2SO4

35.

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

a)

HI

b)

H2SO4

c)

HF

d)

HCl

e)

HClO3

36.

Vinegar, fruit juice, and cola are examples of:

a)

salts

b)

neutral substances

c)

bases

d)

acids

37.

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)

Neither (Neutral)

38.

Is the following compound an acid or a base?


H3PO4

a)

acid

b)

base

39.
sulfuric acid
a)
HSO3
b)
H2SO3
c)
H2SO4
d)
H3SO4
40.
Barium hydroxide
a)
BaOH
b)
Ba2OH
c)
Ba(OH)2
41.
Which of the following is NOT a strong acid ?
a)
HCI
b)
H2SO4
c)
HNO3
d)
H3PO4
42.
Which of the following is NOT a weak acid?
a)
CH3COOH
b)
H2SO4
c)
H2CO3
d)
H3PO4
43.

Acids are __________, which means they "eat away" at other materials.

a)

transitional metal

b)

alkaline

c)

flammable

d)

corrosive

44.

... are used to neutralise acid in the stomach.

a)

Toothpastes

b)

Bacterias

c)

Antacids

d)

More strong acids

45.

Which of the following is acid?

a)
b)
c)
46.

The name of the acid with the formula HF is ____.

a)

flouric acid

b)

hydrofluoric acid

c)

fluorate acid

d)

hydrogen fluoridic acid

47.
Strong acids and bases...
a)

do not break apart into ions (non-electrolyte)

b)

partially break apart into ions (weak electrolyte)

c)

completely break apart into ions (non-electrolyte)

d)

completely break apart into ions (strong electrolyte)

48.

Is pure water acidic, basic, or neutral?

a)

Acidic

b)

Basic

c)

Neutral

49.

This ion is responsible for the properties of acids

a)

Sodium ion

b)

Hydrogen ion

c)

Hydroxide ion

d)

Oxide ion

50.

This ion is responsible for the properties of bases

a)

Sodium ion

b)

Hydrogen ion

c)

Hydroxide ion

d)

Oxide ion

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