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Acid, Base or Neutral Lesson

Total questions: 20

Worksheet time: 21mins

Name
Class
Date
1.
A neutralization reaction will (almost) always produce...
a)
water & salt
b)
water
c)
salt
d)
water & carbon
2.

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

3.

Scale that ranges from 1- 14

a)

acid

b)

base

c)

salt

d)

pH

4.

What is considered to be in the middle of the pH scale

a)

acidic

b)

neutral

c)

basic

d)

indicator

5.

If there is excess hydrogen ions, the solution will be...

a)

acidic

b)

basic

c)

neutral

6.

If there is excess hydroxide ions, the solution will be...

a)

acidic

b)

basic

c)

neutral

7.
Zn(OH)2 is an example of a...
a)
acid
b)
base
c)
salt
8.
H3PO4 is an example of a ...
a)
acid
b)
base
c)
salt
9.
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
10.
NaCl is a ...
a)
acid
b)
base
c)
salt
d)
water
11.
In a ____ reaction, an acid and a base produce a salt and a water. 
a)
concentrated
b)
decomposition
c)
dilute
d)
neutralization
12.
What are the products to a neutralization reaction?
a)
H2 + Ionic Salt
b)
H2O + Ionic Salt
c)
H3O+ + Ionic Salt
d)
OH- + Ionic Salt
13.

Complete the following reaction:

HCl + Mg(OH)2 -->

a)

MgCl2 + H2O

b)

Mg +H2O

c)

MgCl2 + H2

d)

MgCl2 + H2O + CO2

14.

CH3CH2OH is considered a

a)

acid

b)

base

c)

salt

d)

molecular compound

15.

Given the following reaction:

HNO3 + H2O → H3O+ + NO3-

According to one acid-base theory, which substance is acting as base in the forward reaction?

a)

HNO3 because it donates H+

b)

HNO3 because it accepts H+

c)

H2O because it donates H+

d)

H2O because it accepts H+

16.
What is the pH of a 1 x 10-8 M solution of HNO3?
a)
8
b)
6
c)
7
d)
7.5
17.

What are the products of the following acid-base neutralization?


HCl + NaOH -->

a)

H2O + NaCl

b)

H2O + NaBr

c)

OH- + NaCl

d)

OH- + H+

18.

In a solution with a pH of 8.5 ____________ will be __________.

a)

phenolphthalein, pink

b)

methyl orange, red

c)

thymol blue, yellow

d)

bromcresol green, blue

19.

A solution that has equal concentrations of hydronium and hydroxide ions is considered to be

a)

acidic

b)

basic

c)

neutral

20.
pH less than 7.
a)
Acids
b)
Bases
c)
All