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Year 9 Chemistry Test - Limestone

20 Questions  I  By Cturnerems
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Chemistry Quizzes & Trivia
A Year 9 Chemistry Quiz

  
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Question Excerpt

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