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KS3 SCIENCE: PATTERNS OF REACTIVITY

Total questions: 64

Worksheet time: 37mins

Name
Class
Date
1.
Which metal reacts with oxygen to form a dull black compound?
a)
Iron
b)
Aluminium
c)
Copper
d)
Magnesium
2.
Which metal reacts with oxygen to form a dull black compound?
a)
Iron
b)
Aluminium
c)
Copper
d)
Magnesium
3.
Reactivity is a(n) ________property of Metal
a)
Chemical Property
b)
Physical Property
4.
Which of the following is NOT a clue that a chemical change has occurred?
a)
change in color
b)
production of gas
c)
change in termperature
d)
change in shape
5.
The family in the periodic table that contains the most reactive metals is the_______
a)
Alkaline Earth Metals
b)
Transition Metals 
c)
Alkali Metals
d)
Other Metals
6.
Reacts with metals to form H2.
a)
Acids
b)
Bases
c)
All
d)
Salts
7.
Complete the equation below. 
Iron + Oxygen --> 
a)
Iron oxygen
b)
Iron oxide
c)
Iron oside
d)
Ion oxide
8.

Name the metal which reacts with oxygen to form a dull black compound?

a)

Iron

b)

Aluminium

c)

Copper

d)

Magnesium

9.

Write the products formed when sodium reacts with water?

a)

sodium oxide and hydrogen

b)

sodium hydroxide and hydrogen

c)

sodium hydroxide and oxygen

d)

sodium hydroxide and carbon dioxide

10.

Which gas is always produced when a metal reacts with water?

a)

Oxygen

b)

Carbon Dioxide

c)

Hydrogen

d)

Carbon Monoxide

11.

Aluminium is more reactive than ....

a)

Calcium and Zinc

b)

Sodium and Gold

c)

Magnesium and Copper

d)

Lead and Iron

12.

Which gas turns lime water milky?

a)

Nitrogen

b)

Hydrogen

c)

Carbon Dioxide

d)

Oxygen

13.

What is the formula and color of the compound formed when Magnesium react with oxygen

a)

MgCl2, White

b)

CaCO3, Blue

c)

MgO, White

d)

MgO2, White

14.

Which of the following is more reactive?

a)

Calcium

b)

Magnesium

c)

Zinc

d)

Alumunium

15.

The position of a metal in the reactivity series of metals depends on the reactivity of the metal when reacting with ....

a)

Carbon

b)

Hydrogen

c)

Oxygen

d)

Sulphur

16.

Complete the word equation below.


Magnesium + oxygen --> .....

a)

Magnesium

b)

Magnesium oxide

c)

Oxides

d)

Magnesium oxide + water

17.

Complete the word equation below.


Zinc oxide + carbon --> ..........

a)

Zinc + carbon

b)

Zinc oxide + carbon

c)

Zinc + carbon dioxide

d)

No change

18.

Hydrogen is more reactive than the following metals except .....

a)

Lead

b)

Copper

c)

Aluminium

d)

Mercury

19.

Choose the correct sequence.


.............. , ............ , .........

----------------------------------->

Reactivity towards oxygen increases

a)

Silver , Copper , Tin

b)

Iron , Lead , Mercury

c)

Magnesium , Aluminium , Calcium

d)

Iron , Carbon , Lead

20.

The reactivity series of metals is applied in the ............. of the metals from their ore.

a)

Melting

b)

Extraction

c)

Freezing

d)

Crystalization

21.

Metal oxides that more reactive than carbon can be extracted through ......

a)

Electrolysis

b)

Fractional distillation

c)

Evaporation

d)

Photosynthesis

22.

What are the two non-metals that are include in the reactivity series of metals?

a)

Hydrogen and iron

b)

Oxygen and lead

c)

Tin and carbon

d)

Carbon and hydrogen

23.
The least reactive in oxygen in the list is 
a)
iron
b)
zinc
c)
copper
d)
lead
24.
Which one of the following metals reacts most vigorously with cold water?
a)
Sodium
b)
Magnesium
c)
Copper
d)
Zinc
25.
Which metal is more reactive than calcium?
a)
magnesium
b)
potassium
c)
silver
d)
aluminum
26.
When sodium reacts with hydrochloric acid, what is the name of the salt formed?
a)
Sodium Hydride
b)
Sodium Chloride
c)
Sodium Hydrochloric
d)
Sodium Chlorine
27.
When potassium reacts with sulphuric acid, what is the name of the salt produced?
a)
Potassium Sulphide
b)
Potassium Sulphur
c)
Potassium Sulphuric
d)
Potassium Sulphate
28.

Which metal reacts fastest with acid?

a)

Copper

b)

Iron

c)

Zinc

d)

Magnesium

29.
Acid + Metal --> ?
a)
Salt + Water
b)
Salt + Hydrogen
c)
Salt
d)
Hydrogen
30.
the starting materials in a chemical reaction
a)
Products
b)
Reactants
c)
Starters
d)
Enders
31.
a substance that is formed as the result of a chemical reaction
a)
Product 
b)
Reactant
c)
Starters
d)
Enders
32.

What does displacement mean?

a)

A chemical reaction where a less reactive metal takes the place of a more reactive metal in a compound.

b)

A chemical reaction where a more reactive metal takes the place of a less reactive metal in a compound.

c)

A more reactive metal is removed from a compound.

33.

Magnesium chloride + Sodium → ?

a)

Sodium chloride + Magnesium

b)

Magnesium chloride + Sodium (No change)

c)

Sodium magnesium + Chlorine

34.

Lithium chloride + Iron → ?

a)

Lithium chloride + Iron (No change)

b)

Iron chloride + Lithium

c)

Lithium oxide + hydrogen

35.
Which equation correctly shows the reaction of zinc with oxygen?
a)
Zn + O --> ZnO
b)
Zn + O2 --> ZnO
c)
2Zn + O2 --> 2ZnO
d)
Zn + O2 --> 2ZnO
36.
Which equation correctly shows the displacement of copper by zinc?
a)
copper + zinc sulphate --> copper sulfate + zinc
b)
zinc sulphate + copper --> copper sulfate + zinc
c)
copper sulfate + zinc --> zinc sulfate + copper
37.

Calcium carbonate is a natural compound that consists of a combination of several elements. Which elements combine in calcium carbonate?

a)

Calcium

b)

Carbon

c)

Oxygen

d)

Hydrogen

38.

Magnesium + ________ ——> magnesium oxide

a)

Oxygen

b)

Hydrogen

c)

Carbon dioxide

39.
Iron + Hydrochloric acid --> ?
a)
iron sulfate + water
b)
iron + hydrogen
c)
iron chloride + hydrogen
d)
iron chloride + water
40.
Magnesium + sulphuric acid --> ?
a)
magnesium sulfate + water
b)
magnesium sulfate + hydrogen
c)
magnesium chloride + hydrogen
d)
magnesium chloride + water
41.
Zinc + nitric acid --> ?
a)
zinc sulfate + water
b)
zinc sulfate + hydrogen
c)
zinc nitrate + hydrogen
d)
zinc chloride + water
42.
Which gas gives out a 'squeaky pop' when a lit splint is placed in it?
a)
hydrogen
b)
oxygen
c)
carbon dioxide
d)
nitrogen
43.
What is the state symbol for a gas?
a)
(G)
b)
(g)
c)
(l)
d)
(aq)
44.
What is the state symbol for a liquid?
a)
(G)
b)
(g)
c)
(l)
d)
(aq)
45.
What is the state symbol for a solid?
a)
(S)
b)
(s)
c)
(sl)
d)
(aq)
46.
What is the state symbol for a solution?
a)
(S)
b)
(s)
c)
(sl)
d)
(aq)
47.
When group 1 metals react with water they produce a metal ______?
a)
oxide
b)
hydroxide
c)
sulfate
d)
peroxide
48.
2Li + 2H2O --> ?
a)
LiOh + h
b)
LiOH + H
c)
LiOH + H2
d)
2LiOH + H2
49.
Which equation correctly shows the displacement of copper by zinc?
a)
copper + zinc sulphate --> copper sulfate + zinc
b)
zinc sulphate + copper --> copper sulfate + zinc
c)
copper sulfate + zinc --> zinc sulfate + copper
50.
Which equation correctly shows the displacement of copper by magnesium?
a)
2Mg + O2 --> 2MgO
b)
Mg + CuSO4 --> MgSO4 + Cu
c)
Mg + MgSO4 --> MgSO4 + Mg
51.
A rock that a metal can be extracted from is known as _____
a)
an ore
b)
a composite
c)
a polymer
d)
a cermaic
52.
Which metal will react with carbon so that it can be extracted from its ore?
a)
iron
b)
magnesium
c)
silver
d)
alumnium
53.

Potassium is a metal that is ........ in the series

a)

low

b)

high

c)

very high

d)

very low

54.

In the reactivity series reactivity ..... up the group

a)

increases

b)

decreases

c)

does not change

d)

gets less dangerous

55.

........ is found low in the reactivity series

a)

potassium

b)

sodium

c)

silver

d)

magnesium

56.

If a metal occurs naturally as the element it is very probably .........

a)

a very reactive metal

b)

a very unreactive metal

c)

more reactive than hydrogen

d)

potassium

57.

When iron is heated with lead oxide, iron oxide and a shiny ball of lead are formed. The iron ......

a)

has been reduced

b)

has oxidised the lead

c)

has reduced the lead oxide

d)

has formed a shiny ball

58.

When iron is heated with lead oxide, iron oxide and a shiny ball of lead are formed. From this we can deduce that ...

a)

lead is less reactive than iron

b)

iron is more reactive than oxygen

c)

iron is less reactive than lead

d)

lead is more reactive than iron

59.

The position of a metal in the reactivity series of metals depends on the reactivity of the metal when reacting with ....

a)

Carbon

b)

Hydrogen

c)

Oxygen

d)

Sulphur

60.

Complete the word equation below.


Magnesium + oxygen --> .....

a)

Magnesium

b)

Magnesium oxide

c)

Oxides

d)

Magnesium oxide + water

61.

What is the observation when aluminium oxide react with carbon?

a)

The mixture burns vigorously

b)

The mixture glows dimly

c)

The combustion is extinguish

d)

No change

62.
What is the addition of oxygen to a substance called?
a)
decomposition
b)
reduction
c)
oxidation
d)
extraction
63.

What two things cause Iron to rust ?

a)

Water and Oxygen

b)

Air and HCl

c)

Carbon Monoxide and Air

d)

Water and Carbon Dioxide

64.

Metal oxides that more reactive than carbon can be extracted through ......

a)

Electrolysis

b)

Fractional distillation

c)

Evaporation

d)

Photosynthesis

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