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IB07 06_5070_01/2RP
© UCLES 2007
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UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS
General Certificate of Education Ordinary Level
CHEMISTRY
5070/01
Paper 1 Multiple Choice
May/June 2007
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.
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© UCLES 2007
5070/01/M/J/07
1 Which property of a gas affects the rate at which it spreads throughout a laboratory?
A boiling point
B molecular mass
C
reactivity
D
solubility in water
2
A mixture of two substances is spotted on to a piece of chromatography paper.
The paper is inserted into a beaker containing a liquid.
liquid
beaker
spot of mixture
chromatography paper
For separation of the substances to occur the mixture must
A be placed so that the spot is just below the level of the liquid.
B be soluble in the liquid.
C
contain substances of the same Rf values.
D
contain substances that are coloured.
3 Which pair of substances are both mixtures?
A air; water
B
limewater; water
C
sea-water; air
D
sea-water; ethanol
3
© UCLES 2007
5070/01/M/J/07
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