Year 9 Chemistry Test - Limestone

20 Questions  I  By Cturnerems
A Year 9 Chemistry Quiz

  
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1.  Why is iron extracted from iron ore by reduction with carbon or carbon monoxide? 
A.
B.
C.
2.  Why can gold be found in the Earth's crust in its native state?
A.
B.
C.
3.  What happens to iron oxide in a blast furnace? 
A.
B.
C.
4.  Why is titanium expensive to extract from its ore?
A.
B.
C.
5.  Why does aluminium not corrode quickly?
A.
B.
C.
6.  What process is used to purify copper?
A.
B.
C.
7.  Slaked lime is a common name for which one of the following?
A.
B.
C.
8.  Why is aluminium extracted from aluminium ore by electrolysis? 
A.
B.
C.
9.  Water is one of the ingredients of concrete. What are the other ingredients?
A.
B.
C.
10.  Which of the following is a disadvantage of using glass for windows?
A.
B.
C.
11.  What is the percentage of iron in the iron from a blast furnace? 
A.
B.
C.
12.  What is a benefit of a limestone quarry?
A.
B.
C.
13.  Transition metals are like other metals in what ways?
A.
B.
C.
14.  Limestone is mostly made of what?
A.
B.
C.
15.  Why are alloys likely to be harder than pure metals? 
A.
B.
C.
16.  In comparison with steel, what is pure iron like? 
A.
B.
C.
17.  Which properties make aluminium suitable for overhead mains electricity cables? 
A.
B.
C.
18.  What is an advantage of using concrete to make building foundations?
A.
B.
C.
19.  Which type of steel is likely to be used for making cutlery? 
A.
B.
C.
20.  How do you produce calcium oxide from calcium carbonate?
A.
B.
C.
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Quiz Comments (1)
Really helpful I never knew I would get an A thanks.
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