Alloy
4th - 5th Grade
•16 Qs
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Alloy
Quiz
•
Chemistry
•
4th - 5th Grade
•
Practice Problem
•
Hard
Standards-aligned
Charles Martinez
Used 1+ times
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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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 across each other.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Brass is an alloy consisting of a mixture of
copper and zinc
copper and lead
copper and tin
tin and lead
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The main element present in brass and bronze is
copper
lead
zinc
tin
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following alloy is used to make the body of an aeroplane?
Brass
Duralumin
Steel
Pewter
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is not the aim of alloying?
To increase the strength and hardness of metal.
To prevent corrosion of metal.
To improve the appearance of metal
To increase the melting point.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
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