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Yr10 Neutralisation

Total questions: 23

Worksheet time: 28mins

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
6.
If there is excess hydroxide ions, the solution will be...
a)
acidic
b)
basic
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.
If the pH of a solution is 5.6 the pOH is
a)
6.5
b)
12.4
c)
8.4
d)
5.6
15.
A  pH and a pOH will add up to:
a)
0
b)
7
c)
14
d)
1.0 x 10-14
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 is the molarity of a 30 mL HCl which is neutralized by 48 mL of 0.1 M NaOH?


HCl + NaOH --> H2O + NaCl

a)

0.16 M

b)

6.25 M

c)

0.063 M

18.
The following neutralization reaction occurs in the classroom.
HCl  +  KOH  -->  H2O  +  KCl
If a student uses 25.0 mL of a 0.5M solution of KOH, what is the molarity of the acid if 15.0mL of acid neutralized?
a)
0.8M
b)
1.2M
c)
12.5M
19.

What is the endpoint of a titration

a)

Where the amount of acid and base are equal as shown by a color change

b)

Where there is no base

c)

When the volume of base in the burette is used up

d)

When there is no acid

20.
pH less than 7.
a)
Acids
b)
Bases
c)
All
21.

from what number to what number is acid ?

a)

1-7

b)

1-6

c)

1-14

d)

2-7

22.

what is pH 7 ?

a)

acid

b)

alkaline

c)

water

23.

if have acid pH 4 what do you have to add to it to make it pH 7 ?

a)

alkaline pH 10

b)

alkaline pH 9

c)

alkaline pH 14

d)

alkaline pH 12