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IB08 11_5070_01/2RP
© UCLES 2008
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UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS
General Certificate of Education Ordinary Level
CHEMISTRY
5070/01
Paper 1 Multiple Choice
October/November 2008
1 hour
Additional Materials:
Multiple Choice Answer Sheet
Soft clean eraser
Soft pencil (type B or HB is recommended)
READ THESE INSTRUCTIONS FIRST
Write in soft pencil.
Do not use staples, paper clips, highlighters, glue or correction fluid.
Write your name, Centre number and candidate number on the Answer Sheet in the spaces provided unless
this has been done for you.
There are forty questions on this paper. Answer all questions. For each question there are four possible
answers A, B, C and D.
Choose the one you consider correct and record your choice in soft pencil on the separate Answer Sheet.
Read the instructions on the Answer Sheet very carefully.
Each correct answer will score one mark. A mark will not be deducted for a wrong answer.
Any rough working should be done in this booklet.
A copy of the Periodic Table is printed on page 16.
2
© UCLES 2008
5070/01/O/N/08
1
The table shows the boiling points of the elements found in a sample of liquid air.
element
argon
helium
neon
nitrogen oxygen
boiling point / °C
–186
–269
–246
–196
–183
Which elements would be gaseous at –190 °C?
A argon, helium and nitrogen
B argon, nitrogen and oxygen
C helium, neon and nitrogen
D helium, neon and oxygen
2 Which method could be used to obtain charcoal from a mixture of powdered charcoal with sodium
chloride?
A
chromatography
B
filtration after shaking with water
C heating the mixture
D distillation
3 Naturally occurring bromine has a relative atomic mass of 80 and consists entirely of two isotopes
of relative isotopic masses 79 and 81.
What can be deduced about naturally-occurring bromine from this information only?
A Bromine isotope