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Science 30 - Acids & Bases

Total questions: 27

Worksheet time: 52mins

Name
Class
Date
1.

NaOH is:

a)

an Arrhenius base

b)

an Arrhenius acid

c)

neither an acid nor a base

d)

both an acid and a base

2.
The following statement is true for arrhenius acid and base EXCEPT
a)
Arrhenius acid produces H+ ions
b)
Arrhenius base produces OH- ions
c)
H2O need to be present for arrhenius acid base to dissociate
d)
Hydrogen atoms that make the solution acidic
3.

a compound that increase H+ or H3O+ concentration by making the solution more acidic is called

a)

arrhenius acid

b)

arrhenus base

4.

True or false: bases are sometimes called alkaline.

a)

True

b)

False

5.

Neutral solutions have a pH of:

a)

0

b)

1

c)

7

d)

14

6.

True or false: a neutral solution has equal amounts of H+ and OH-.

a)

True

b)

False

7.

Vinegar, fruit juice, and cola are examples of:

a)

strong acids

b)

strong bases

c)

strong bases

d)

weak acids

8.

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)

9.

Water found near sources of air pollution tends to be:

a)

Acidic.

b)

Basic.

c)

Neither. Air pollution doesn't alter the pH of water.

10.
A neutralisation reaction is a reaction between 
a)
Acid and a Base 
b)
Acid and water 
c)
Base and water 
d)
None of the above 
11.
What type of reaction is the following: 
HCl  + Zn --> ZnCl2 + H2
a)
Neutralisation
b)
Acid and a metal 
c)
Acid and a carbonate 
d)
Ionic 
12.

Which type of ion does an acid produce when it is dissolved in water?

a)

oxide

b)

oxygen

c)

hydronium

d)

hydroxide

13.
Which type of ion does a base produce when it is dissolved in water?
a)
oxide
b)
oxygen
c)
hydrogen
d)
hydroxide
14.

Identify the acid listed below:

a)

KOH

b)

H2O

c)

H2SO4

d)

NaCl

15.

Name the following acid: HBr

a)

Hydrobromic Acid

b)

Bromic Acid

c)

Hydrogen Monobromide Acid

d)

Bromous Acid

16.

Which of the following is a base:

a)

Drain Cleaner, pH 11

b)

Stomach Acid, pH 2

c)

Water, pH 7

d)

Baking Soda, pH 8

17.

If HF and KOH react, which salt would be produced?

a)

KF

b)

HOH

c)

FOH

d)

HK

18.
The following statement is true for Bronsted Lowry Conjugate Acid Base pair EXCEPT
a)
Bronsted Lowry Acid is a proton donor
b)
Bronsted Lowry Acid is a electron pair acceptor
c)
Conjugate acid has 1 hydrogen atom more than base
d)
Conjugate base has 1 hydroxide more than base
19.
Which of the following shows the correct conjugate acid base pair?
a)
HCI (acid) / H3O+ (conjugate base)
b)
HCI (acid) / CI- (conjugate base)
c)
HCI (base) / CI- (conjugate acid)
d)
HCI (base) / H3O+ (conjugate acid)
20.
H2O is amphiprotic, can act as acid or base. Which of the following is TRUE ?
a)
H2O is an acid because it is a proton donor
b)
H2O is an base because it is a proton acceptor
c)
H2O can gain or lose a proton, H+
d)
H2O can easily form hydronium ion, H3O+
21.
A hydrogen ion, H+, is the same as a(n):
a)
neutron
b)
electron
c)
proton
d)
hydroxide ion
22.

A Bronsted Lowry base:

a)

donates H+ to another substance

b)

accepts H+ from another substance

c)

produces H+

d)

produces OH-

23.
The Acid-Base classification system that defined acids as those that release H+ and bases as release OH- is known as ________.
a)
Bronsted-Lowry
b)
Arrhenius acid-base
c)
Lewis acid-base
d)
Monoprotic and Polyprotic Acids
24.
What is the conjugate acid in the following equation?
a)
PO43- 
b)
HNO3 
c)
NO3- 
d)
HPO42-
25.
What is the conjugate base in the following reaction?
a)
HCO3- 
b)
HCl
c)
 H2CO3 
d)
Cl-
26.
Which of the following is transferred between a conjugate acid-base pair?
a)
An Electron
b)
A OH- ion
c)
A Proton
d)
A Neutron
27.
If a solution is basic which ion will be more present?
a)
H+
b)
K+
c)
OH-
d)
H-

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