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Metals and other materials version 2

Total questions: 20

Worksheet time: 54mins

Name
Class
Date
1.
Which of the following is NOT an example of a chemical reaction?
a)
Wood Burning
b)
A cake baking in an oven
c)
Melting Ice Cream
d)
Mixing Vinegar and Baking Soda
2.
How are metal oxides formed?
a)
When metals react with oxide.
b)
When metals react with water.
c)
When metals react with air.
d)
When metals react with oxygen.
3.
Metals that react quickly/strongly with water and acids are called?
a)
Reactive
b)
Unreactive
c)
Dangerous
d)
Corrosive
4.
What gas is always produced when a metal reacts with water?
a)
Oxygen
b)
Carbon dioxide
c)
Hydrogen
d)
Carbon monoxide
5.
What gas is produced when a metal reacts with an acid?
a)
Water vapour
b)
Acidic gas
c)
Hydrogen
d)
Nitrogen
6.
Which metal is most likely to react with water or acid?
a)
Copper
b)
Potassium
c)
Magnesium
d)
Iron
7.
What are the reactants for the reaction of metal with acid?
Metal + acid ---> metal salt + hydrogen
a)
Hydrogen
b)
Metal salt
c)
Metal
d)
Metal and acid
8.

In this chemical reaction, which is the product/s?

Magnesium + Oxygen --> Magnesium oxide

a)

magnesium

b)

magnesium and oxygen

c)

magnesium oxide

d)

oxygen

9.
Which of the following defines oxidation?
a)
A chemical reaction where a substance gains oxygen.
b)
A chemical reaction where a substance loses oxygen.
c)
A chemical reaction where a substance loses a metal.
d)
A chemical reaction where a substance gains a metal.
10.
A displacement reaction will occur when...
a)
a more reactive metal displaces a less reactive metal from its compound.
b)
A less reactive metal displaces a more reactive metal from its compound
c)
Displacement only occurs when two of the same metals are reacted 
d)
Displacement reactions will only occur in metals above iron in the reactivity series
11.
Which one of the following Would the following result in a displacement reaction?
a)
Iron with magnesium chloride
b)
magnesium with iron chloride
c)
Iron with Zinc Sulphate
d)
gold with silver nitrate
12.
What does 'brittle' mean?
a)
Soft
b)
Easily breakable
c)
Easily bendable
d)
Tough
13.

Which set of properties are commonly associated with ceramic materials.

a)

Good toughness, good conductivity and light weight.

b)

High levels of hardness, good conductivity and light weight.

c)

Nice colours

d)

High levels of hardness, high levels of heat resistance and quite brittle.

14.

Although ceramic materials have a good range of important properties one limitation to their use is that they are often

a)

Too malleable

b)

Too brittle

c)

Too ductile

d)

Too light

15.

Ceramic materials have high melting points.

a)

True

b)

False

16.

Most ceramic materials have good insulation properties.

a)

False

b)

True

17.
What is a disadvantage of ceramics?
a)
Ceramics are tough. 
b)
Clay is easy to obtain.
c)
They can be painted.
d)
They can fracture easily.
18.
A composite material is made of 
a)
A single material
b)
Two or more separate materials
c)
Two or more chemically combined materials
d)
None of these
19.
What are the reinforcements of a composite?
a)
The strengtheners of the composite
b)
The base of the composite
c)
The mold that the composite is poured in 
d)
The volume of a composite
20.

Which option best describes the properties of poly(vinyl) chloride )?

a)

It is waterproof

b)

It is flexible

c)

It is a good electrical insulator

d)

All of these

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