Font size
WorksheetsChapter 8 Quiz 1
Total questions: 10
Worksheet time: 8mins
Which of the following is TRUE about an alloy?
An alloy is a pure metal which is weak and soft
An alloy is a compound consisting of metal and non-metal
An alloy is a long chain of molecules formed by monomers
An alloy is a mixture of two or more elements with a certain fixed composition in which the major component is a metal
Which of the following are the purpose of making alloys? (You may choose more than one answer)
to prevent corrosion
to increase the strength and hardness
to improve the appearance
to increase the density
What is the use of duralumin?
Making of aircraft body frame
Making of musical instruments
Making of electrical connectors
Making of surgical instruments
Which of the following are the compositions of pewter?
aluminium
tin
antimony
copper
Brass is an alloy made of
copper and zinc
copper and tin
copper and nickel
copper and aluminum
Bronze is an alloy made of
aluminum and magnesium
copper and tin
lead and tin
copper and nickel
Coin metals are normally made of this alloy
pewter
duralumin
cupro-nickel
brass
What are the purposes of alloying? (You may choose more than one answer)
To make it ductile
To prevent rusting of metal
To improve appearance of metal
To increase hardness of metal
To make it easy to shape
An alloy is harder than its pure metal because the foreign atoms in the alloy
increase the bond strength between the atoms.
increase the empty spaces between the atoms.
react with the pure metal atoms to form a compound.
reduce the ability of the atoms to slide over each other.
Which of the following statements below is true?
Copper is more ductile than brass
Brass is more malleable than copper
Iron is shinier than stainless steel
Iron is more resistant to corrosion than steel
