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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Questions and Answers

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