WorksheetsAcids and Bases
Total questions: 17
Worksheet time: 22mins
Name
Class
Date
1.
According to which theory is a base a substance which produces OH- ions in water?
a)
Arrhenius
b)
Bronsted-Lowry
c)
Lewis
2.
According to Bronsted-Lowry acid base theory, an acid is a.....
a)
Proton donor
b)
Proton acceptor
c)
Produces H+ when added to water
d)
Made of H+
3.
According to Arrhenius acid-base theory, an acid is....
a)
an H+ acceptor
b)
a H+ donor
c)
a substance that produces H+ in water
d)
anything with an H+
4.
According to which acid-base theory is a base a proton acceptor?
a)
Arrhenius
b)
Bronsted-Lowry
c)
Lewis
5.
Which reactant in the following equation is a Bronsted acid?
a)
ammonium
b)
ammonia
c)
hydroxide
d)
water
6.
What is the conjugate acid in the following equation?
a)
PO43-
b)
HNO3
c)
NO3-
d)
HPO42-
7.
What is the conjugate base in the following reaction?
a)
HCO3-
b)
HCl
c)
H2CO3
d)
Cl-
8.
CO32-(aq)+H2O(l) → HCO3-(aq)+OH-(aq)
Using the above reaction, which compound is the conjugate base?
Using the above reaction, which compound is the conjugate base?
a)
CO32-
b)
H2O
c)
HCO3-
d)
OH-
9.
A compound that donates H+ ions is
a)
A Bronsted-Lowry Acid
b)
An Arrhenius Acid
c)
A Bronsted-Lowry Base
d)
An Arrhenius Base
10.
A substance that remains when a base has accepted an H+ ion is
a)
An acid
b)
A Base
c)
A Conjugate Acid
d)
A Conjugate Base
11.
True or False: All Arrhenius acids are also Brønsted-Lowry acids.
a)
True
b)
False
12.
Which of the following substances is both a Brønsted-Lowry base and an Arrhenius base?
a)
NH3(aq)
b)
LiOH(aq)
c)
HCl(g)
d)
HCl(aq)
13.
Which of the following is a polyprotic acid?
a)
HCl
b)
H2SO4
c)
HNO3
d)
HF
14.
Which of the following is the hydronium ion?
a)
H+
b)
H2O
c)
OH–
d)
H3O+
15.
Which of these is a property of acidic solutions?
a)
they taste sour
b)
they feel slippery
c)
they are in many cleaning products
d)
they taste bitter
16.
Bases turn red litmus paper (a) .
17.
If a solution has a pH of 1.5, then litmus would turn
a)
red
b)
purple
c)
blue
d)
yellow
100 %
