Question paper (Foundation) : Paper 2 - June 2019 - Access Tuition
Please write clearly in block capitals.
Centre number
Surname Forename(s) Candidate signature
GCSE CHEMISTRY
Foundation Tier Paper 2
Candidate number
F
Wednesday 12 June 2019 Morning
Time allowed: 1 hour 45 minutes
Materials For this paper you must have: ? a ruler ? a scientific calculator ? the periodic table (enclosed).
Instructions ? Use black ink or black ball-point pen. ? Fill in the boxes at the top of this page. ? Answer all questions in the spaces provided. Do not write outside
the box around each page or on blank pages. ? Do all rough work in this book. Cross through any work you do not want
to be marked. ? In all calculations, show clearly how you work out your answer.
Information ? The maximum mark for this paper is 100. ? The marks for questions are shown in brackets. ? You are expected to use a calculator where appropriate. ? You are reminded of the need for good English and clear presentation
in your answers.
For Examiner's Use
Question 1 2 3 4 5 6 7 8 9 10
TOTAL
Mark
*JUN1984622F01*
IB/G/Jun19/E12
8462/2F
2 There are no questions printed on this page
Do not write outside the
box
DO NOT WRITE ON THIS PAGE ANSWER IN THE SPACES PROVIDED
*02*
IB/G/Jun19/8462/2F
3 Answer all questions in the spaces provided.
Do not write outside the
box
0 1
This question is about drinking water.
There are two main steps in producing drinking water from fresh water.
0 1 . 1 Draw one line from each step to the reason for the step.
[2 marks]
Step
Reason for step
Desalination
Filtration
Improve taste
Increase pH
Sterilisation
Kill bacteria
Remove solids
0 1 . 2 Which two substances are used to sterilise fresh water? Tick () two boxes. Ammonia Chlorine Hydrogen Nitrogen Ozone
[2 marks]
*03*
Turn over
IB/G/Jun19/8462/2F
4
A large amount of aluminium sulfate was accidentally added to the drinking water supply at a water treatment works.
Do not write outside the
box
0 1 . 3 Scientists tested a sample of the drinking water to show that it contained dissolved solids.
Which two methods show the presence of dissolved solids in the sample of drinking water?
[2 marks] Tick () two boxes.
Add damp litmus paper to the sample. Evaporate all water from the sample. Measure the sample's boiling point. Test the sample with a glowing splint.
*04*
IB/G/Jun19/8462/2F
5
0 1 . 4 Scientists tested two water samples from the drinking water supply. The scientists tested one sample for aluminium ions and the other sample for sulfate ions.
Do not write outside the
box
Draw one line from each ion to the compound needed to identify the ion. [2 marks]
Ion
Compound needed to identify ion
Barium chloride
Aluminium ion
Copper sulfate
Silver nitrate
Sulfate ion
Sodium hydroxide
Sulfuric acid
0 1.5
How could pure water be produced from drinking water that contained dissolved solids?
[1 mark]
Tick () one box.
Chromatography Cracking Distillation Sedimentation
9
*05*
Turn over
IB/G/Jun19/8462/2F
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