Year 9 Chemistry Test - Limestone

20 Questions  I  By Cturnerems on March 23, 2011
A Year 9 Chemistry Quiz

  

Question Excerpt

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1.  Limestone is mostly made of what?
A.
B.
C.
2.  What process is used to purify copper?
A.
B.
C.
3.  Slaked lime is a common name for which one of the following?
A.
B.
C.
4.  Why is iron extracted from iron ore by reduction with carbon or carbon monoxide? 
A.
B.
C.
5.  What is a benefit of a limestone quarry?
A.
B.
C.
6.  Why can gold be found in the Earth's crust in its native state?
A.
B.
C.
7.  Which properties make aluminium suitable for overhead mains electricity cables? 
A.
B.
C.
8.  In comparison with steel, what is pure iron like? 
A.
B.
C.
9.  Why is titanium expensive to extract from its ore?
A.
B.
C.
10.  Why is aluminium extracted from aluminium ore by electrolysis? 
A.
B.
C.
11.  Why are alloys likely to be harder than pure metals? 
A.
B.
C.
12.  Transition metals are like other metals in what ways?
A.
B.
C.
13.  What happens to iron oxide in a blast furnace? 
A.
B.
C.
14.  Water is one of the ingredients of concrete. What are the other ingredients?
A.
B.
C.
15.  What is the percentage of iron in the iron from a blast furnace? 
A.
B.
C.
16.  Which type of steel is likely to be used for making cutlery? 
A.
B.
C.
17.  Why does aluminium not corrode quickly?
A.
B.
C.
18.  What is an advantage of using concrete to make building foundations?
A.
B.
C.
19.  Which of the following is a disadvantage of using glass for windows?
A.
B.
C.
20.  How do you produce calcium oxide from calcium carbonate?
A.
B.
C.
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