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Worksheets

Y9 Chemistry Summer Revision 2025

Total questions: 156

Worksheet time: 2hrs 6mins

Name
Class
Date
1.

The diagram shows the metallic structure. The arrow A points to...

a)

proton

b)

electron

c)

delocalised electron

d)

neutron

2.

The diagram shows the metallic structure. The arrow B points to...

a)

metal ion

b)

electron

c)

delocalised electron

d)

neutron

3.

Electrons that are free to move in metals

a)

delocalized electrons

b)

localised electrons

c)

chemical bond

d)

salts

4.

Atoms in a metallic structure are arranged in a

a)

regular pattern

b)

random pattern

5.

Which letter points to a 'delocalised electron'?

(a)  

6.

Which letter points to a 'metal ion'?

(a)  

7.

Delocalised electrons can be found in

a)

metals

b)

non-metals

8.

Copper is an excellent conductor of electricity. This is because copper has

a)

delocalised electrons that are free to move

b)

delocalised electrons that are in fixed positions

c)

delocalised neutrons that are free to move

d)

delocalised protons that are in fixed positions

9.
Electrons that are free to move in metals
a)
delocalized electrons
b)
oxidation number
c)
chemical bond
d)
salts
10.
In metals, the _______ electrons form a shared sea of electrons.
a)
Metallic
b)
Inner
c)
Outer
d)
Ionic
11.

What type of force holds metals together in a metallic bonding?

4 lines
12.

The diagram shows metallic bonding.


Which labels are correct?

a)

X: atomic nucleus

Y: outer electron

b)

X: metal atom

Y: delocalised electron

c)

X: metal ion

Y: delocalised electron

d)

X: positive ion

Y: negative ion

13.

In metals, delocalised electrons and metals ions are held together by

a)

electrostatic attraction

b)

gravity

c)

resistance

d)

thrust

14.

the blue circles represent

a)

delocalised electrons

b)

metal ions

c)

neutrons

d)

protons

15.

the red circles represent

a)

delocalised electrons

b)

metal ions

c)

neutrons

d)

protons

16.

The Reactivity Series lists metals lists metals from least to most reactive

a)

true

b)

false

17.

Choose the more reactive metal

a)

sodium

b)

potassium

18.

Choose the least reactive metal

a)

calcium

b)

magnesium

c)

iron

d)

copper

19.

Choose the most reactive metal

a)

calcium

b)

magnesium

c)

iron

d)

copper

20.

Choose the more reactive metal

a)

silver

b)

copper

21.

Choose the less reactive metal

a)

copper

b)

gold

22.

Aluminium + Iron oxide -->

a)

aluminium

b)

oxide

c)

aluminium oxide and iron

d)

iron

23.

gold + copper iodide-->

a)

gold iodide and copper

b)

No reaction

c)

gold copper

d)

gold iodide

24.

iron + copper sulfate-->

a)

iron sulfate and copper

b)

No reaction

c)

iron copper

d)

copper iron and sulfate

25.

sodium + potassium nitrate-->

a)

sodium potassium

b)

sodium nitrate

c)

no reaction

d)

sodium nitrate and potassium

26.

iron + silver chlorate -->

a)

silver iron

b)

iron silver

c)

iron chlorate and silver

d)

no reaction

27.

In a displacement reaction a MORE reactive metal displaces a LESS reactive metal from its compound

a)

True

b)

False

28.

Copper can displace iron from its compound

a)

true

b)

false

29.

Iron can displace copper from its compound

a)

true

b)

false

30.

Magnesium can displace alumiunium from its compound

a)

true

b)

false

31.

Aluminium can displace sodium from its compound

a)

true

b)

false

32.

​

Magnesium Nitrate + Zinc -->

a)

no reaction

b)

zinc nitrate + magnesium

c)

magnesium zinc + nitrate

d)

zinc nitrate only

33.

Gold is displaced by copper

a)

true

b)

false

34.

Gold will displace potassium from potassium bromide

a)

Yes

b)

No

35.

Sulfuric acid

a)

H2SO4

b)

HCl

c)

HNO3

36.

What gas is released when metals react with water?

a)

hydrogen

b)

oxygen

c)

nitrogen

d)

carbon dioxide

37.

How many chemical equations are shown above?

a)

0

b)

10

c)

15

d)

3

e)

6

38.

How many chemical formula are shown above?

a)

0

b)

10

c)

15

d)

3

e)

6

39.

What are the products in equation 1

a)

carbon

b)

oxide

c)

zinc oxide

d)

carbon dioxide

e)

zinc

40.

How many word equations are shown above?

a)

0

b)

10

c)

15

d)

3

e)

6

41.

How many symbol equations are shown above?

a)

0

b)

10

c)

15

d)

3

e)

6

42.

What are the products in equation 2

a)

sugar

b)

oxygen

c)

water

d)

carbon dioxide

e)

carbon

43.

What are the products in equation 3

a)

magnesium

b)

chloride

c)

chlorine

d)

magnesium chloride

e)

magnesium chlorine

44.

What are the reactants in equation 3

a)

magnesium chlorate

b)

chlorine

c)

chloride

d)

magnesium chloride

e)

magnesium

45.

What are the reactants in equation 1

a)

zinc carbonate

b)

carbonate

c)

zinc oxide

d)

carbon dioxide

e)

zinc

46.

What are the reactants in equation 2

a)

sugar

b)

oxygen

c)

water

d)

carbon dioxide

e)

carbon

47.

How many chemical equations are shown above?

a)

0

b)

10

c)

15

d)

3

e)

6

48.

How many word equations are shown above?

a)

0

b)

10

c)

15

d)

3

e)

6

49.

How many symbol equations are shown above?

a)

0

b)

10

c)

15

d)

3

e)

6

50.

How many formula are shown in equation 1?

a)

10

b)

9

c)

7

d)

3

e)

5

51.

How many reactants are shown in equation 2?

a)

5

b)

6

c)

7

d)

4

e)

2

52.

How many magnesium chloride molecules are formed by the reaction in equation 3?

a)

4

b)

1

c)

6

d)

3

e)

2

53.

How many 'reactants' are in equation 1?

a)

4

b)

1

c)

6

d)

3

e)

2

54.

What do the red symbols tell you?

a)

the states

b)

the hazards

c)

the amounts

d)

the cost

e)

the reactivity

55.

What does the red arrow in the middle of each equation mean?

a)

equals ...

b)

reacts to form ...

c)

is greater than ...

56.

What state is zinc oxide (ZnO) in equation 1?

a)

solid

b)

liquid

c)

gas

d)

aqueous - solid dissolved in water

e)

salt

57.

What state is carbon Dioxide in equation 1?

a)

solid

b)

liquid

c)

gas

d)

aqueous - solid dissolved in water

e)

salt

58.

What does aq in equation 3 mean?

a)

solid

b)

liquid

c)

gas

d)

aqueous

e)

aqua

59.

What does aq in equation 3 mean?

a)

evaporated liquid

b)

soft solid

c)

contains oxygen

d)

solid dissolved in water

e)

no water allowed

60.

Which equation has two gases reacting together?

a)

1

b)

2

c)

3

d)

all of them

e)

none of them

61.

Which equation has two liquids reacting together?

a)

1

b)

2

c)

3

d)

all of them

e)

none of them

62.

When most reactive metals react with water, metal hydroxide and hydrogen are made

a)

true

b)

false

63.

sodium + water ⟶\longrightarrow  

a)

sodium hydroxide

b)

hydrogen

c)

sodium oxide

d)

oxygen

64.

potassium + water ⟶\longrightarrow  

a)

potassium hydroxide

b)

hydrogen

c)

potassium oxide

d)

oxygen

65.

Which metal would react most vigorously with water?

a)

sodium

b)

calcium

c)

magnesium

d)

copper

66.

Select all metals that will react with cold water

a)

sodium

b)

lithium

c)

potassium

67.

Select all metals that would make metal hydroxide and hydrogen in a reaction with cold water

a)

sodium

b)

calcium

c)

potassium

68.

calcium + water ⟶\longrightarrow  

a)

calcium hydroxide

b)

calcium oxide

c)

hydrogen

d)

no reaction

69.

Complete the sentence:

When potassium reacts with water...

a)

potassium oxide and hydrogen are made

b)

potassium hydroxide and hydrogen are made

c)

potassium oxide and oxygen are made

d)

potassium hydroxide and oxygen are made

70.

Which metal is most likely to react with cold water like this?

a)

magnesium

b)

lithium

c)

zinc

d)

potassium

71.

Which would make the reaction faster?

a)

Grinding up the reactants into a powder

b)

Keeping the reactants together as a lump

72.

Which would make the reaction slower?

a)

Grinding up the reactants into a powder

b)

Keeping the reactants together as a lump

73.

What effect does grinding up the reactants into a powder have on the rate of reaction?

a)

decreases the rate of reaction

b)

increases the rate of reaction

c)

makes no difference to the rate of reaction

74.

What effect does heating the reactants up have on the rate of reaction?

a)

decreases the rate of reaction

b)

increases the rate of reaction

c)

makes no difference to the rate of reaction

75.

Which would react faster?

a)

5 grams of small marble chips

b)

5 grams of large marble chips

c)

they would react at the same speed

76.

What effect does cooling the reactants down have on the rate of reaction?

a)

decreases the rate of reaction

b)

increases the rate of reaction

c)

makes no difference to the rate of reaction

77.

Which of these temperature changes will increase the rate of the reaction?

a)

raising the temperature

b)

lowing the temperature

c)

temperature makes no difference to the rate of reaction

78.

Which of these temperature changes will decrease the rate of the reaction?

a)

raising the temperature

b)

lowing the temperature

c)

temperature makes no difference to the rate of reaction

79.

Why does high temperature increase the rate of the reaction? Tick all the correct options

a)

the particles become ions

b)

the particles move faster

c)

the particles collide more often

d)

the particles change size

e)

the particles have more energy

80.

Which of these will decrease the rate of the reaction?

a)

using a more concentrated liquid

b)

using a less concentrated liquid which is diluted

c)

concentration makes no difference to the rate of reaction

81.

Why does high concentration increase the rate of the reaction? Tick all the correct options

a)

the particles become ions

b)

the particles move faster

c)

the particles collide more often

d)

the particles change size

e)

the particles have more energy

82.

Why does high surface area increase the rate of the reaction? Tick all the correct options

a)

the particles become ions

b)

the particles move faster

c)

the particles collide more often

d)

the particles change size

e)

the particles have more energy

83.

Which would make the reaction faster?

a)

high surface area of reactants

b)

low surface area of reactants

c)

high surface area of products

d)

low surface area of products

84.

Which of these will increase the rate of the reaction?

a)

using a more concentrated liquid

b)

using a less concentrated liquid which is diluted

c)

concentration makes no difference to the rate of reaction

85.

Changing concentrations of acid from 1M to 4M, will .....

a)

increase particle energy / motion

b)

increase frequency/chance of collisions

86.

Raising the temperature from 10oC to 40oC will .....

a)

increase particle energy / motion

b)

increase frequency/chance of collisions

87.

Grinding reactants into a powder will .....

a)

increase particle energy / motion

b)

increase frequency/chance of collisions

88.

Grinding reactants into a powder will .....

a)

increase particle energy / motion

b)

increase frequency/chance of collisions

c)

make no difference

89.

Which solution will react the fastest with the red particle?

a)

4M

b)

1M

c)

they will be the same

90.

increasing the concentration of the reactants will ...

a)

slow down the rate of reaction

b)

speed up the rate of reaction

c)

make no difference to the rate of reaction

91.

Decreasing the concentration of the reactants will ...

a)

slow down the rate of reaction

b)

speed up the rate of reaction

c)

make no difference to the rate of reaction

92.

Which is faster?

a)

no catalyst

b)

a catalyst added

c)

it make no difference

93.

When you add a catalyst, you get

(a)   product at the end

Choose from the below words
the same amount of
more
less
94.

What does a catalyst do?

a)

speed up the reactants

b)

increase the rate of reaction

c)

grind up the reactants

d)

increase the pressure

e)

change the concentration

95.

Catalysts increase the .....

a)

success of collisions

b)

frequency of collisions

c)

activation energy

96.

Catalysts ​increase the ​ (a)   of collisions between reactants

Choose from the below words
success
frequency
energy
97.

Catalysts get used up as they work. There are less and less of them

a)

true

b)

false

98.

Catalysts can be reused over and over again because they never get used up.

a)

true

b)

false

99.

which word belongs on the title of the Y axis

a)

1.

Reactants

b)

2.

Products

c)

3.

Catalyst

100.

The test was repeated with powdered Mg instead of a lump,

which red line shows how the graph changed?

a)

b)

c)

d)

101.

The test was repeated with a lump of Mg instead of powdered,

which red line shows how the graph changed?

a)

b)

c)

d)

102.

The test was repeated with 6M HCl instead of 1M dilute HCl

which red line shows how the graph changed?

a)

b)

c)

d)

103.

The test was repeated with 1M dilute HCl instead of 8M HCl

which red line shows how the graph changed?

a)

b)

c)

d)

104.

The test was repeated with the addition of a catalyst

which red line shows how the graph changed?

a)

b)

c)

d)

105.

Which action increases the energy of the collision

a)

grinding reactants

b)

higher concentration of reactants

c)

hotter temperature

d)

increased pressure

106.

There are many different catalysts in the world

a)

true

b)

false

107.

some catalysts can slow reactions down

a)

true

b)

false

108.

Which colour does universal indicator turn when it is neutral?

a)

blue

b)

red

c)

yellow

d)

green

e)

white

109.
Question Image

Match the meaning of these universal indicator paper colours

a)

1.

It is Acidic

b)

2.

It is Alkali

c)

3.

It is Neutral

110.
Question Image

Match the meaning of these universal indicator paper colours

a)

1.

It is pH 1-3

b)

2.

It is pH 10-14

c)

3.

It is pH 6-8

111.

Match the 5 substances to their descriptions

a)Strong acid
b)weak acid
c)neutral
d)weak alkali
e)strong alkali
1
2
3
4
5
1)
2)
3)
4)
5)
112.

Choose all the liquids that could neutralise Liquid A ?

a)

Liquid A

b)

Liquid B

c)

Liquid C

d)

Liquid D

e)

Liquid E

113.

Match the descriptions to the universal indicator pH scales

a)

Strong

Acid

b)

Weak

Acid

c)

Neutral

d)

Weak

Alkali

e)

Strong

Alkali

1
2
3
4
5
1)
2)
3)
4)
5)
114.

pH 7 has ...

a)

more H+

than OH-

b)

more OH-

than H+

c)

equal amounts of H+ and OH-

115.

pH 8 has ...

a)

more H+

than OH-

b)

more OH-

than H+

c)

equal amounts of H+ and OH-

116.

pH 6 has ...

a)

more H+

than OH-

b)

more OH-

than H+

c)

equal amounts of H+ and OH-

117.

pH 2 has ...

a)

more H+

than OH-

b)

more OH-

than H+

c)

equal amounts of H+ and OH-

118.

pH 1 is

a)

acid

b)

alkali / base

c)

neutral

119.

pH 6 is

a)

acid

b)

alkali / base

c)

neutral

120.

pH 7 is

a)

acid

b)

alkali / base

c)

neutral

121.

pH 8 is

a)

acid

b)

alkali / base

c)

neutral

122.

pH 2 has ...

a)

more Hydrogen ions

b)

more Hydroxide ions

c)

equal amounts of both

123.

pH 6 has ...

a)

more Hydrogen ions

b)

more Hydroxide ions

c)

equal amounts of both

124.

HCl is

a)

acid

b)

alkali / base

c)

neutral

125.

H2SO4 is

a)

acid

b)

alkali / base

c)

neutral

126.

Which is the pH of a weak acid ?

a)

7

b)

8

c)

6

d)

1

e)

14

127.

Choose 2 boxes that contain

one type of Element

A
B
C
D
E
F
G
H
I
128.

Choose 2 boxes that contain

one type of Compound

A
B
C
D
E
F
G
H
I
129.

Choose 2 boxes that contain

a mixture of 2 different types of molecule

A
B
C
D
E
F
G
H
I
130.

Choose 2 boxes that contain

a mixture of 2 different elements

A
B
C
D
E
F
G
H
I
131.

Organize these into categories

Categorize the following
Compound
Element
132.

Organize these into categories

Categorize the following

Oxygen

Carbon Oxide

Carbon

Sodium Chloride

Sodium

Chlorine

Sodium Oxide

Carbon Chloride

Element
Compound
133.
Question Image

Match the formula to the name

a)

1.

Li2S

b)

2.

Li2SO4

c)

3.

LiClO3

d)

4.

LiCl

134.

Name these

a)Lithium Oxide
b)Lithium Phosphate
c)Lithium Carbonate
d)Lithium Nitrate
e)Lithium Nitride
f)Lithium Carbide
g)Lithium Phosphide
1
2
3
4
1)
2)
3)
4)
135.

Tick the correct formula for this molecule

A
B
C
D
E
F
G
H
I
136.

Tick the correct formula for this molecule

A
B
C
D
E
F
G
H
I
137.

Tick the correct formula for this molecule

A
B
C
D
E
F
G
H
I
138.

Tick the correct formula for this molecule

A
B
C
D
E
F
G
H
I
139.

Tick the correct formula for this molecule

A
B
C
D
E
F
G
H
I
140.

Tick the correct formula for this molecule

A
B
C
D
E
F
G
H
I
141.

The periodic table is a list of different types of ​ (a)  

Choose from the below words
elements
compounds
molecules
equations
mixtures
142.

Choose all the equations

A
B
C
D
E
F
G
H
I
J
143.

Choose all the WORD equations

A
B
C
D
E
F
G
H
I
J
144.

Li2SO4 is the ​ (a)   for Lithium sulfate.

it contains ​ (b)   sulfur

Choose from the below words
formula
equation
3 atoms of 
1 atom of
2 atoms of
4 atoms of
145.

Carbon (C) and Oxygen (O2) bonds to form carbon dioxide (CO2).

Complete the table to show which are formulas.

A
B
C
D
E
F
146.

Complete the ending to the chemical names

a)ine
b)ide
c)ate
d)ing
1
2
1)
2)
147.

Name these molecules

a)Sulfur
b)Zinc
c)Copper
d)Sulfate
e)Sulfide
f)Oxide
g)Oxygen
h)Oxate
1
2
3
4
5
6
1)
2)
3)
4)
5)
6)
148.

Complete the table to show which of these things is called a product

A
B
C
149.

Complete the table to show which of these things is called a reactant

A
B
C
150.

Complete the table to show which of these things is called a product

A
B
C
151.

Some carbon in toast reacts with oxygen to make carbon dioxide. What is the product of this reaction?

(a)  

152.

Which formula best represents the contents of the box

a)

Be3F6

b)

3BeF2

c)

3Be2F

d)

2FBe3

e)

3FBe2

153.

Which formula best represents the contents of the box

a)

Al2F6

b)

2AlF3

c)

3FAl2

d)

2FAl3

e)

3AlF2

154.

which equations are the same ?

a)

1 & 2

b)

1 & 3

c)

2 & 3

d)

none - they are all different

155.

which equations are the same ?

a)

1 & 2

b)

1 & 3

c)

2 & 3

d)

none - they are all different

156.

Count up the number of each type of atom before the reaction started

a)

2 atoms

b)

6 atoms

c)

4 atoms

d)

3 atoms

e)

5 atoms

f)

1 atom

g)

7 atoms

h)

8 atoms

1
2
3
1)
2)
3)

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