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Y7 Materials & Their Properties Revision

Total questions: 88

Worksheet time: 1hrs 16mins

Name
Class
Date
1.
Which of these is a property of metals?
a)
It's malleable
b)
It can't conduct electricity
c)
They are used in food
d)
It's very brittle
2.
Which of the following is NOT a characteristic of most metals?
a)
Brittle
b)
Good conductor
c)
Ductile
d)
Malleable
3.

All of the following would classify an element as a metal except?

a)

Dull

b)

Luster

c)

Malleable

d)

Ductile

4.
Which elements are found on the left to middle of The Periodic Table? 
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Candles
5.
Describe what luster means
a)
How an object reflects light
b)
How soft an object is
c)
If an object floats
d)
If an object can be dug out of the earth.
6.
If you have a material that can conduct electricity well it is probably a...
a)
Metalloid
b)
Matter
c)
Non-metal
d)
Metal
7.
Unlike non-metals, most metals tend to —
a)
conduct electricity and heat well.
b)
be gases at room temperature.
c)
break easily when hammered.
d)
have less luster and shine.
8.
All of the following would classify an element as a metal except?
a)
Dull
b)
Luster
c)
Malleable
d)
Hard
9.

Most metals are solid at room temperature

a)

False

b)

True

10.
Which table below correctly lists the properties of metals and nonmetals? *
a)
A
b)
B
c)
C
d)
D
11.
If a material can easily be drawn into the shape of a wire, it is
a)
Ductile
b)
Magnetic
c)
Malleable
d)
Reactive
12.
Alkali metals are found in which group of the periodic table?
a)
Group 1
b)
Group 2
c)
Group 7
d)
group 8 
13.
Which of the following is the most reactive in water?
a)
Lithium
b)
Sodium
c)
Potassium
14.
What is 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
15.
What is the symbol equation for the reaction between sodium hydroxide and water?
a)
2Na + 2H2O → 2NaOH + H2
b)
Na + H2O → NaOH + H
c)
Na + H20 → NaCl + CO2
d)
2Na + 2H2O → 2NaH2 + O2
16.
Which of the following statements is true?
a)
In a chemical reaction atoms are created
b)
In a chemical reaction atoms are destroyed
c)
In a chemical reaction the arrangement of the atoms is changed
d)
In a chemical reaction the arrangement of the atoms remains the same, but the physical state (solid,liquid,gas) changes
17.
Which of the following is NOT an alkali metal
a)
Li
b)
Cl
c)
K
d)
Cs
18.
When an alkali metal reacts with water, the hydroxide produced dissolves to form and alkaline solution, True or False?
a)
True
b)
False
19.

If something has been oxidised what does this mean?

a)

It has had oxygen added to it

b)

It has had oxygen removed from it

c)

It has had hydrogen added to it

d)

It has had hydrogen removed from it

20.

If potassium reacts with water what are the 2 products of the reaction?

a)

potassium hydroxide + oxygen

b)

potassium hydroxide + hydrogen

c)

potassium + hydrogen oxide

d)

Potassium hydroxide + hydrogen oxide

21.

When a metal reacts with an acid what gas is made?

a)

Hydrogen

b)

Oxygen

c)

Nitrogen

d)

Helium

22.

What are the 2 products of a metal reacting with an acid?

a)

Salt + water

b)

Salt + hydrogen

c)

Hydroxide + water

d)

Hydroxide + hydrogen

23.

If magnesium reacts with hydrochloric acid, what will be made?

a)

magnesium hydroxide + hydrogen

b)

magnesium hydroxide + oxygen

c)

magnesium chloride + hydrogen

d)

magnesium chloride + oxygen

24.

What is the test for hydrogen?

a)

Squeaky pop test

b)

Relight a glowing splint

c)

Limewater going cloudy

25.
Magnesium + sulphuric acid --> ?
a)
magnesium sulfate + water
b)
magnesium sulfate + hydrogen
c)
magnesium chloride + hydrogen
d)
magnesium chloride + water
26.
Acid + Metal --> ?
a)
Salt + Water
b)
Salt + Hydrogen
c)
Salt
d)
Hydrogen
27.
Iron + Hydrochloric acid --> ?
a)
iron sulfate + water
b)
iron + hydrogen
c)
iron chloride + hydrogen
d)
iron chloride + water
28.
Zinc + nitric acid --> ?
a)
zinc sulfate + water
b)
zinc sulfate + hydrogen
c)
zinc nitrate + hydrogen
d)
zinc chloride + water
29.
Which metal is the most reactive out of: copper, magnesium, zinc and iron?
a)
copper
b)
magnesium
c)
zinc
d)
iron
30.
What is the state symbol for a gas?
a)
(G)
b)
(g)
c)
(l)
d)
(aq)
31.
What is the state symbol for a liquid?
a)
(G)
b)
(g)
c)
(l)
d)
(aq)
32.
What is the state symbol for a solid?
a)
(S)
b)
(s)
c)
(sl)
d)
(aq)
33.
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
34.
A rock that a metal can be extracted from is known as _____
a)
an ore
b)
a composite
c)
a polymer
d)
a cermaic
35.

Steel generally speaking is made of

a)

iron and carbon

b)

copper and iron

c)

tin and carbon

d)

aluminum and nickel

36.

Brass is an alloy made of

a)

copper and zinc

b)

copper and tin

c)

copper and nickel

d)

copper and aluminum

37.

Bronze is an alloy made of

a)

aluminum and magnesium

b)

copper and tin

c)

lead and tin

d)

copper and nickel

38.

All alloys are mixtures.

a)

True

b)

False

39.

Rusting is the corrosion of:

a)

Zinc

b)

Iron

c)

Lithium

d)

Nickel

40.

Corrosion of iron can be prevented by:

a)

Painting it

b)

Storing the metal in an reactive atmosphere

c)

Adding extra oxygen to the air around it

d)

Adding salt water, rather than normal water

41.

Rusting can be prevented by?

a)

Storing in a reactive atmosphere

b)

Storing under oil

c)

Storing under water

d)

Storing in oxygen

42.

Rusting can be prevented by?

a)

Removing paint

b)

Adding water

c)

keeping air (oxygen) away

d)

All of the above

43.

Why are metals alloyed?

a)

To improve the appearance of a metal

b)

To make them less likely to corrode

c)

To reduce the amount of iron used

d)

To change the properties of the metal

44.
all matter is made of what 
a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
45.
the central region of an atom where its neutrons and protons are is its 
a)
nucleus 
b)
electron cloud
c)
core 
d)
center 
46.
What are the 3 particles that make-up the atom?
a)
protons, neutrons, and isotopes
b)
neutrons, isotopes, and electrons
c)
positives, negatives, and electrons
d)
protons, neutrons, and electrons
47.
Everything is made up of little tiny things called _____
a)
compounds
b)
molecules
c)
atoms
d)
solids
48.
In the modern periodic table elements are arranged by:
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
49.
An element's identity is determined by the number of
a)
electrons.
b)
protons.
c)
neutrons.
d)
valence.
50.
An element is made up of only one kind of _____.
a)
isotope
b)
plastic
c)
atom
d)
metal
51.
Which is an electron?
a)
A
b)
B
c)
C
52.
Which is a proton?
a)
A
b)
B
c)
C
53.
Which item on this element square is the chemical symbol?
a)
Copper
b)
29
c)
Cu
d)
63.546
54.
Which is a neutron?
a)
A
b)
B
c)
C
55.

what is the biggest group on the table

a)

metals

b)

nonmetals

c)

metaloids

d)

halogens

56.

symbols must have at least

a)

1 cap. letter

b)

2 cap. letters

c)

2 lower case letters

d)

any letter you want

57.

What is the symbol for hydrogen?

a)

Hy

b)

H

c)

He

d)

Ho

58.

What is the symbol for helium?

a)

Hy

b)

H

c)

He

d)

Ho

59.

What is the symbol for boron?

a)

Be

b)

B

c)

Ba

d)

Br

60.

What is the symbol for carbon?

a)

Ca

b)

Cr

c)

Co

d)

C

61.

What is the symbol for nitrogen?

a)

N

b)

Ni

c)

Ne

d)

No

62.

What is the symbol for oxygen?

a)

Ox

b)

O

c)

Og

d)

Oh no

63.

What is the symbol for sodium?

a)

s

b)

So

c)

N

d)

Na

64.

What is the symbol for magnesium?

a)

Mg

b)

Ma

c)

M

d)

Mn

65.

What is the symbol for chlorine ?

a)

Cl

b)

C

c)

Co

d)

Ch

66.

What is the symbol for potassium ?

a)

P

b)

K

c)

Po

d)

Ks

67.

What is the symbol for sulfur ?

a)

Su

b)

S

c)

Sl

d)

Sr

68.

A chemical change is different than a physical change because in a chemical change...

a)

Chemicals are used

b)

Molecules do not physically touch

c)

A new substance is formed and in a physical change no new substance is formed

d)

The change can be seen but in a physical change it cannot

69.

In a chemical reaction, mass is conserved. This means that

a)

The mass of the products stays the same during a chemical reaction

b)

The mass of the products is always twice the mass of the reactants

c)

The mass of the reactants stays the same during a chemical reaction

d)

The type and number of atoms in the reactants equals the type and number of atoms in the products

70.

What is a sign of a physical change?

a)

odor produced

b)

change in state of matter

c)

light

d)

temperature change

71.

What is a sign of a chemical change?

a)

change in state of matter

b)

change in size

c)

change in shape

d)

temperature change

72.

What is the pH of distilled water?

a)

pH 12

b)

pH 3

c)

pH 8

d)

pH 7

73.

What colour does litmus paper turn when added to an alkali?

a)

Blue

b)

Red

c)

Green

d)

Colourless

74.

What colour does litmus paper turn when added to an acid?

a)

Blue

b)

Red

c)

Green

d)

Colourless

75.

What other laboratory substance can you use to test if colourless substance is an acid or an alkali?

a)

Catalyst

b)

Salt

c)

Universal Indicator

d)

Water

76.

What happens to the pH of an acid during neutralisation?

a)

It stays the same

b)

It moves toward pH 1

c)

It moves towards pH 7

d)

It moves towards pH 14

77.

A wasp sting is alkali. Which substance would neutralise the sting?

a)

Vinegar

b)

Bleach

c)

Baking soda

d)

Distilled water

78.

Which substance is an acid?

a)

Water

b)

Bleach

c)

Orange juice

d)

Washing powder

79.

Which pH levels indicated a strong acid?

a)

1-3

b)

4-6

c)

8-11

d)

12-14

80.

Which pH level indicates a weak alkali?

a)

1-3

b)

4-6

c)

8-11

d)

12-14

81.

Which pH level indicates a weak acid?

a)

1-3

b)

4-6

c)

8-11

d)

12-14

82.

Which pH level indicates a strong alkali?

a)

1-3

b)

4-6

c)

8-11

d)

12-14

83.

Acids taste...

a)

Sweet

b)

Salty

c)

Sour

d)

Smooth

84.

Alkalis feel...

a)

Rough

b)

Granulated

c)

Soapy

d)

Smooth

85.

Strong acids and alkalis are...

a)

Sour

b)

Sweet

c)

Corrosive/Caustic

d)

Burn litmus paper

86.

What does this hazard symbol mean?

a)

toxic

b)

flammable

c)

corrosive

d)

explosive

87.
Pure water has a pH of 7. Pure water _______.
a)
is a base
b)
is a neutral substance
c)
could be either an acid or a base
d)
is an acid
88.
a)

PH scale

b)

pH ruler

c)

pH scale

d)

pH statistical tables

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