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Acids, Bases and the pH Scale BIG QUIZ

Total questions: 74

Worksheet time: 41mins

Name
Class
Date
1.

The (a)   measures how strong an acid or a base is

2.

The pH scales runs from ___ to ___ (leave a space between lowest and highest)

(a)  

3.

If a substance has a pH of 7 it is (a)  

4.

A pH less than 7 indicates an ________, with ________ numbers being stronger (first blank comma second blank)

(a)  

5.

A pH higher than 7 indicates a _______ with ________ numbers being stronger (first blank comma second blank)

(a)  

6.

pH is the measure of the concentration of (a)   ions

7.

Acids react with bases to form _______ and _______ (first blank comma second blank)

(a)  

8.

The chemical reaction between an acid and a base is called a (a)   reaction

9.

A pH of 5 would be

a)

Strong

b)

Basic

c)

Acidic

d)

Neutral

10.

A pH of 13 would be

a)

Acidic

b)

Neutral

c)

Basic

d)

Weak

11.

​ (a)   conduct electricity and turn litmus paper red.

Choose from the below words
Acids
Bases
Neutral solutions
Salts
12.

When acids are mixed with water, they release ​ (a)   ions.

Choose from the below words
hydrogen (H+)
hydroxide (OH-)
13.

Acids, also known as ​ (a)   , will turn litmus paper ​ (b)   . This is because they have a pH ​ (c)   . They taste ​ (d)   .

Choose from the below words
H+
red
below 7
sour
bitter
above 7
blue
14.

Match the following

a)

Acid

1.

pH less than 7

b)

Acidic Solution

2.

Turns litmus paper red

c)

Base

3.

pH greater than 7

d)

Alkaline

4.

Turns litmus paper blue

e)

Neutral

5.

Concentration of hydrogen ions is the same as the concentration of hydroxide ions

15.

If the litmus paper turns red, it is a(n) ​ (a)  

Choose from the below words
acid
blue
base
16.

If the litmus paper turns blue, it is a(n) ​ (a)   ​

Choose from the below words
base
acid
red
17.

In a neutralization reaction...

potassium hydroxide reacts with hydrochloric acid to form ​water and potassium chloride

Write this reaction using the formulas:

1​ (a)   + 1​ (b)   → 1​ (c)   + ​ 1 (d)  

Choose from the below words
KOH
HCl
H2O
KCl
CO2
KH
HClO
18.

Match the following

a)

HFHF

1.

weak acid

b)

HClO4HClO_4

2.

strong acid

c)

Al(OH)3Al\left(OH\right)_3

3.

weak base

d)

Ba(OH)2Ba\left(OH\right)_2

4.

strong base

19.

H2SO4

a)

Base

b)

Alkali

c)

Acid

d)

Salt

20.

NaOH(aq)

a)

Base

b)

Alkali

c)

Acid

d)

Salt

21.

HCl

a)

Base

b)

Alkali

c)

Acid

d)

Salt

22.

Mg(OH)2(s)

a)

Base

b)

Alkali

c)

Acid

d)

Salt

23.

HNO3

a)

Base

b)

Alkali

c)

Acid

d)

Salt

24.

Na2SO4

a)

Base

b)

Alkali

c)

Acid

d)

Salt

25.

KOH(aq)

a)

Base

b)

Alkali

c)

Acid

d)

Salt

26.

CH3COOH

a)

Base

b)

Alkali

c)

Acid

d)

Salt

27.

MgO (s)

a)

Base

b)

Alkali

c)

Acid

d)

Salt

28.

NH3(aq)

a)

Base

b)

Alkali

c)

Acid

d)

Salt

29.
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 
30.
An acid reacts with metal to produce 
a)
Carbon dioxide 
b)
Hydrogen gas
c)
Hydrogen gas and water 
d)
Salt and hydrogen gas 
31.
A neutralisation reaction produces 
a)
An acid 
b)
A neutral substance 
c)
Only water 
d)
Salt and water 
32.
An acid reacts with a metal carbonate to produce 
a)
Salt, water and hydrogen gas
b)
Salt, water and carbon dioxide
c)
Limewater
d)
Salt and water 
33.
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 
34.
Complete the following reaction:
Sulphuric acid + sodium carbonate
--> 
a)
Carbon dioxide + water 
b)
calcium carbonate + water + carbon dioxide 
c)
Sodium sulphate + water + carbon dioxide 
d)
Sodium chloride + water + carbon dioxide 
35.
Complete the following reaction:
Hydrochloric acid + magnesium hydroxide --> 
a)
Magnesium chloride + water 
b)
Magnesium + water
c)
Magnesium chloride + hydrogen gas 
d)
Magnesium chloride + water + carbon dioxide 
36.
Pure water is _______ on the pH scale.
a)
Acid
b)
Base
c)
Neutral
37.
Values from 0-14 that determine the acidity of a solution
a)
Molarity
b)
Polarity
c)
pH scale
d)
Solubility
38.
What is the range of pH values in an acidic solution?
a)
0-6
b)
8-14
c)
15-239058204958
d)
pH = 7
39.
If the pH of a solution is 9, it is a....
a)
acid
b)
base
c)
both
d)
none
40.
Which is the stronger acid?
a)
pH 1
b)
pH 4
c)
pH 8
d)
pH 13
41.
How do acidic solutions taste?
a)
Delicious
b)
Sweet
c)
Bitter
d)
Sour
42.
What is a property of bases?
a)
Slippery touch
b)
Sour taste
c)
Ability to dissolve metal
d)
Ability to form hydronium ions
43.
Which of the following substances is basic?
a)
soda
b)
lemon juice
c)
soap
d)
vinegar
44.
An extremely strong base would have a pH of:
a)
1
b)
7
c)
9
d)
14
45.
Which statement is true?
a)
Acids start with H and bases end with OH
b)
Acids start with OH and bases end with H
c)
Acids end with H and bases start with OH
d)
Acids end with OH and bases start with H
46.
What are properties of acids?
a)
Bitter, slippery, ph above 7
b)
Sour, reacts with metals, ph below 7
c)
Sour, reacts with metals, ph above 7
d)
Bitter, ph of 7, does not react with metals
47.
A weak acid
a)
is a concentrated solution
b)
dissociates completely
c)
is a dilute solution of OH ions
d)
partially dissociates
48.
A dilute acid
a)
can be either a strong or weak acid
b)
is a weak acid
c)
is a strong acid
d)
a strong base
49.
Metals that react quickly/strongly with water and acids are called?
a)
Reactive
b)
Unreactive
c)
Dangerous
d)
Corrosive
50.
An acid reacts with metal to produce 
a)
Carbon dioxide 
b)
Hydrogen gas
c)
Hydrogen gas and water 
d)
Salt and hydrogen gas 
51.
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 
52.
How can you tell that a metal is reacting with water?
a)
Colour change
b)
Bright light
c)
Fizzing
d)
It gets colder
53.
Which salt will be produced if magnesium react with hydrochloric acid?
a)
Magnesium oxide
b)
Magnesium sulfate
c)
Magnesium sulfide
d)
Magnesium chloride
54.

Which statement is correct about all metals?

a)

They are attracted to a magnet.

b)

They are good conductors of heat and electricity.

c)

They react with acid.

d)

They react with water.

55.

Which statement is correct about all metals?

a)

They are attracted to a magnet.

b)

They are weak and brittle.

c)

They may be used to form alloys.

d)

They react with water.

56.

Which of the following metals would you expect to have the most vigorous reaction with acid?

a)

copper

b)

silver

c)

gold

d)

magnesium

57.
a)

A

b)

B

c)

C

d)

D

58.

What are the reactants for the following reaction:

____________ + _____________---> metal salt + hydrogen

a)

Hydrogen

b)

Metal salt

c)

Metal

d)

Metal and acid

59.

What are the products for the following reaction:


Metal + acid ---> _________________ + __________________

a)

Metal salt and hydrogen

b)

Metal salt

c)

Metal

d)

Acid

60.

Zinc + sulfuric acid -->

a)

Zinc sulfide + hydrogen

b)

Zinc sulfate + hydrogen

c)

Zinc sulfate + Water +Carbon dioxide

d)

Zinc sulfide + water

61.

Iron + hydrochloric acid -->

a)

Iron chloride + hydrogen

b)

Iron chloride + carbondioxide

c)

Iron hydroxide + acid

d)

Iron chloric + hydrogen

62.

Zinc + sulfuric acid -->

a)

Zinc chloride + hydrogen

b)

Zinc sulfate + carbon dioxide

c)

Zinc sulfate + hydrogen

d)

Zinc chloride + oxygen

63.

Aluminium + Nitric acid -->

a)

Aluminium nitrate + hydrogen

b)

Aluminium nitrate + carbon dioxide

c)

Aluminium sulfate + hydrogen

d)

Aluminium nitrate + oxygen

64.

What is the name of the acid in your stomach?

a)

Sulfuric Acid

b)

Nitric Acid

c)

Hydrochloric Acid

d)

Citric Acid

65.

What acid do you find in car batteries? It is sometimes called battery acid.

a)

Nitric Acid

b)

Hydrochloric Acid

c)

Sulfuric Acid

d)

Acetic Acid

66.

What is the formula for Hydrochloric Acid

a)

H2SO4

b)

HCl

c)

HNO3

d)

CH3COOH

67.

What is the formula for Nitric Acid?

a)

HCl

b)

HNO3

c)

H2SO4

d)

H3PO3

68.

Which acid is found in lemons

a)

Hydrochloric Acid

b)

Citric Acid

c)

Ascorbic Acid

d)

Ethanoic Acid

69.

Sulfuric Acid is a strong acid. The pH of Sulfuric acid is around

a)

7

b)

10

c)

5

d)

1

70.

Which acid is used to make fertilizers

a)

Nitric Acid

b)

Hydrochloric Acid

c)

Ethanoic Acid

d)

Acetic Acid

71.

What is the formula for Sulfuric Acid

a)

CH3COOH

b)

H3PO4

c)

HNO3

d)

H2SO4

72.

Which of the following is an acid?

a)

Milk

b)

Soap solution

c)

Vinegar

d)

Drain cleaner

73.

Acetic Acid is a weak acid. Its pH could be

a)

9

b)

7

c)

4

d)

1

74.
What is the gas produced from a Acid + Metal reaction?
a)
water vapour
b)
carbon dioxide gas (CO2)
c)
hydrogen gas (H2)
d)
oxygen gas (O2)

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