This document consists of 15 printed pages and 1 lined page.
SP (CW/SLM) S59057/4
© UCLES 2004
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UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS
General Certificate of Education Ordinary Level
CHEMISTRY
5070/02
Paper 2 Theory
May/June 2004
1 hour 30 minutes
Candidates answer on the Question Paper.
Additional Materials:
Answer Paper
READ THESE INSTRUCTIONS FIRST
Write your Centre number, candidate number and name on all the work you hand in.
Write in blue or black pen.
Do not use staples, paper clips, highlighters, glue or correction fluid.
You may use a calculator.
Sections A
Answer all questions.
Write your answers in the spaces provided on the Question Paper.
Section B
Answer any three questions.
Write your answers on any lined pages and/or separate answer paper.
At the end of the examination, fasten all your work securely together.
The number of marks is given in brackets [ ] at the end of each question or part question.
A copy of the Periodic Table is printed on page 16.
Centre Number
Candidate Number
Name
If you have been given a label, look at the
details. If any details are incorrect or
missing, please fill in your correct details
in the space given at the top of this page.
Stick your personal label here, if
provided.
For Examiner’s Use
Section A
B7
B8
B9
B10
Total
2
5070/02/M/J/04
Section A
Answer all the questions in this section in the spaces provided.
A1 Choose from the following substances to answer the questions below.
argon
calcium phosphate
ethene
lead(II) nitrate
methane
phosphorus oxide
potassium nitrate
sulphur dioxide
Each substance can be used once, more than once, or not at all.
Name a substance which,
(a)
is a greenhouse gas produced by the decay of vegetable matter,
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(b) contains two of the essential elements needed by plants,
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