WorksheetsALLOY
Total questions: 16
Worksheet time: 8mins
Which of the following alloys is used to make the instrument in Diagram 3?
Copper
Bronze
Steel
Brass
Diagram 2 shows the characteristics of an alloy.
Which of the following is the most suitable use of this alloy?
To build buildings
To build bridges
To build an airplane structure
To make keys
Which of the following is an alloy?
Aluminium
Magnesium
Carbon dioxide
Pewter
Alloy is a ...
A chemical compound with combination between metal and non-metal
A salt contain of two or more elements where the main element is non-metal
Mixture of two or more elements where the main element is metal
Duralumin is used to
Make body of aeroplane
Make souvenirs
Make medal
Make cutlery
Brass alloy contain copper and
Zinc
Tin
Aluminium
Magnesium
Bronze brass contain copper and
Zinc
Tin
Magnesium
Antimony
Steel generally speaking is made of
iron and carbon
copper and iron
tin and carbon
aluminum and nickel
A
B
C
D
A
B
C
D
Alloying can harden the metals because
the foreign atoms can prevent layers of atoms from sliding over each other
the foreign atoms produce stronger attractive forces between the metal atoms
the foreign atoms are stronger and harder
the foreign atoms increase the energy of the metal atoms
What is the composition of brass?
30% tin and 70% copper
10% tin and 90% copper
30% zinc and 70% copper
10% zinc and 90% copper
Diagram above shows the arrangement of atoms in brass. Which of the following could be atoms X and Y?
X : Copper Y: Tin
X: Zinc Y: Copper
X: Iron Y: Carbon
X: Copper Y: Zinc
What can be made with steel?
Bridges
Monument
Household articles
Bicycles
The main element present in brass and bronze is
copper
lead
zinc
tin
Which is the follow processes increases the hardness of a metal?
Purification
Plating
Alloying
Electrolysis
