Free Printable Cambridge Checkpoint Science 9: Reactivity

1.

The alkali metals are in group 1, on the far left of the periodic table. Which of these is NOT an alkali metal?

a)

Lithium

b)

Iron

c)

Potassium

d)

Francium

2.

How can you tell that a metal is reacting with water?

a)

Colour change

b)

Bright light

c)

Fizzing

d)

It gets colder

3.

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

a)

Oxygen

b)

Carbon Dioxide

c)

Hydrogen

d)

Carbon Monoxide

4.

What else is produced when a metal reacts with water? (HINT: Water has the formula H₂O)

a)

Metal Oxide

b)

Metal Carbonate

c)

Metal Hydride

d)

Metal Hydroxide

5.

When the alkali metals react with water, which reacts most vigorously?

a)

Francium

b)

Rubidium

c)

Potassium

d)

Sodium

6.

Metals can also react with acids. This produces a gas. What is the name of this gas?

a)

Hydrogen

b)

Carbon Dioxide

c)

Nitrogen

d)

Oxygen

7.

As well as a gas, there is another product made when an acid reacts with a metal. What is the name for this?

a)

Salt

b)

Water

c)

Alkali

d)

Carbon

8.

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

9.

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

10.

When a metal salt reacts with a more reactive metal, what sort of reaction occurs?

a)

Displacement

b)

Neutralisation

c)

Combustion

d)

No Reaction

11.

When magnesium reacts with copper sulphate, there are two products. What are they?

a)

Magnesium and Copper

b)

Magnesium Sulphate and Copper

c)

Magnesium Sulphate and Copper Sulphate

d)

Magnesium and Copper Sulphate

12.

When copper and magnesium sulphate are mixed together, there is no reaction. Why?

a)

Magnesium is more reactive than copper

b)

Copper is more reactive than magnesium

c)

Copper never reacts with metal salts

d)

Magnesium Sulphate never reacts with metals

13.

Metals have many useful properties. For example, they...

a)

...conduct electricity

b)

...are malleable

c)

...are good thermal conductors

d)

can all be magnetized

14.

Another useful property of metals is that they are ductile. What does this mean?

a)

The conduct heat well

b)

They can be bent into shape

c)

They have high melting points

d)

They can be stretched into wires

15.

In order to make use of the many useful properties of metals, we need to extract them so that they are in their pure form. A common way of extracting many of the less reactive metals is to heat their minerals with what?

a)

Carbon

b)

Helium

c)

Oxygen

d)

Silicon

16.

Which of the following the most reactive in dilute acid

a)

magnesium

b)

calcium

c)

aluminum

d)

zinc

17.

Which one of the following metals reacts most vigorously with cold water?

a)

Sodium

b)

Magnesium

c)

Copper

d)

Zinc

18.

Which metal is more reactive than calcium?

a)

magnesium

b)

potassium

c)

silver

d)

aluminum

19.

When metal reacts with liquid water the products are...

a)

metal hydroxide and oxygen gas

b)

metal hydroxide and hydrogen gas

c)

metal oxide and oxygen gas

d)

metal oxide and hydrogen gas

20.

Complete the equation below.

Iron + Oxygen →

a)

Iron oxygen

b)

Iron oxide

c)

Iron oside

d)

Ion oxide

21.

a)

A

b)

B

c)

C

d)

D

22.

a)

A

b)

B

c)

C

d)

D

23.

a)

A

b)

B

c)

C

d)

D

24.

Which of the following is MOST reactive?

a)

Magnesium

b)

Lead

c)

Tin

d)

Copper

e)

Zinc

25.

Which metal is more reactive than calcium?

a)

magnesium

b)

potassium

c)

silver

d)

aluminum

26.

How can you tell that a metal is reacting with water?

a)

Colour change

b)

Bright light

c)

Fizzing

d)

It gets colder

27.

Choose the least reactive metal

a)

calcium

b)

magnesium

c)

iron

d)

copper

28.

Choose the most reactive metal

a)

calcium

b)

magnesium

c)

iron

d)

copper

29.

Which of the following indicates a chemical change?

a)

Change in state of matter

b)

Temperature change

c)

Change in size

d)

Change in shape

30.

Which are the signs of chemical change?

a)

Change in size

b)

Colour change

c)

Precipication (an insoluble solid forms from the solution)

d)

Change in state

e)

Effervescence / Gas produced

31.

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.

32.

Magnesium chloride + Sodium → ?

a)

Sodium chloride + Magnesium

b)

Magnesium chloride + Sodium (No change)

c)

Sodium magnesium + Chlorine

33.

Zinc sulphate + Magnesium → ?

a)

Magnesium + Sulphur + Hydrogen

b)

Zinc sulphate + Magnesium

c)

Magnesium sulphate + Zinc

34.

Lithium chloride + Iron → ?

a)

Lithium chloride + Iron (No change)

b)

Iron chloride + Lithium

c)

Lithium oxide + hydrogen

35.

Which is least reactive?

a)

gold

b)

Calcium

c)

Magnesium

36.

Which gas is required for something to burn?

a)

Carbon dioxide

b)

Hydrogen

c)

Oxygen

d)

Water

37.

Iron nails + copper oxide → ?

a)

Iron nails + copper oxide

b)

Iron oxide + copper oxide

c)

Iron oxide + copper

d)

Magic

38.

What is the name of the following reaction:

Fe₂O_3(s) + 2Al_(s) → Al₂O_3(s) + 2Fe_(l)

a)

Thermite

b)

Aluminate

c)

Illuminate

d)

Ferrite

39.

The correctly balanced equation for the following reaction:

Fe₂O_3(s) + Al_(s) → Al₂O_3(s) + Fe_(l)

would be:

a)

Fe₂O_3(s) + Al_(s) → Al₂O_3(s) + Fe_(l)

b)

Fe₂O_3(s) + 3Al_(s) → 2Al₂O_3(s) + 2Fe_(l)

c)

2Fe₂O_3(s) + 4Al_(s) → 2Al₂O_3(s) + 4Fe_(l)

d)

Fe₂O_3(s) + 2Al_(s) → Al₂O_3(s) + 2Fe_(l)

40.

The correctly balanced equation for the following reaction

Copper Sulfate + Iron $\rightarrow$ Iron Sulfate + Copper
would be:

a)

$CuSO_4\ +\ 2Fe\ \ \rightarrow\ \ Fe_2SO_4\ +\ Cu\$

b)

$CuSO_4+\ 2Fe\ \rightarrow\ Fe_2SO_3+\ CuO$

c)

$CuSO_4+\ Fe\ \rightarrow\ FeSO_4+\ Cu$

d)

$CuSO_3+\ 2Fe\ \rightarrow\ Fe_2SO_3+\ Cu$

e)

No reaction takes place as copper is less reactive than iron

41.

The correct chemical formula for the compound:

Iron (III) oxide

is:

a)

$FeO$

b)

$Fe_2O$

c)

$Fe_2O_3$

d)

$Fe_3O_2$

42.

The correct chemical formula for the compound:
Copper (II) Carbonate
is:

a)

$CuCO_2$

b)

$CuCO_3$

c)

$Cu_2CO_3$

d)

$Cu_3CO_3$

43.

The correct chemical formula for the compound:
Copper (I) Carbonate
is:

a)

$CuCO_2$

b)

$CuCO_3$

c)

$Cu_2CO_3$

d)

$Cu_3CO_3$

44.

The correctly balanced equation for the reaction:

Iron (III) oxide + Carbon → Iron + Carbon dioxide

is:

a)

$2FeO\ \ +\ C\ \ \rightarrow\ \ 2Fe\ \ +\ \ CO_2$

b)

$FeO_2\ \ +\ C\ \ \rightarrow\ \ Fe\ \ +\ \ CO_2$

c)

$Fe_2O_3\ \ +\ C\ \ \rightarrow\ \ 2Fe\ \ +\ 2CO_2$

d)

$2Fe_2O_3\ \ +\ \ 3C\ \ \rightarrow\ \ 4Fe\ \ +\ \ 3CO_2$

45.

What are the correct coefficients to balance the following equation?

_Zn + _HCl → _ZnCl₂+ _H₂

a)

1,1,2,1

b)

1,1,1,2

c)

1,2,1,1

d)

2,1,1,1

46.

Which problem is a correctly balanced and formulated equation?

a)

SO₂ + 2H₂→ H₂SO₄

b)

SO₂ + H₂0 → H₂SO₄

c)

2Na + 2H₂O → 2NaOH + H₂

d)

2Na + 2H₂O → 2NaOH + H

47.

What are the correct coefficients to balance the following equation?

_Zn + _HCl → _ZnCl₂+ _H₂

a)

1,1,2,1

b)

1,1,1,2

c)

1,2,1,1

d)

2,1,1,1

48.

What are the correct coefficients to balance the following equation?

__Na + __H₂O → __NaOH + __H₂

a)

2, 2, 2, 1

b)

4, 4, 4, 1

c)

1, 2, 2, 4

d)

1, 2, 2, 1

49.

What are the correct coefficients to balance the following equation?

__Al + __O₂→ __Al₂O₃

a)

4, 1, 2

b)

4, 3, 4

c)

3, 4, 1

d)

4, 3, 2

50.

The correct chemical formula for the compound:
Copper(II) Nitrate
is:

a)

$CuNO_3$

b)

$Cu\left(NO_3\right)_2$

c)

$Cu_2NO_3$

d)

$Cu_2\left(NO_3\right)_3$

Cambridge Checkpoint Science 9: Reactivity

Total questions: 50

Worksheet time: 39mins

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