Exam (elaborations)
June 2023 Edexcel IGCSE Chemistry QP 4ch1 / 1c
June 2023 Edexcel IGCSE Chemistry QP 4ch1 / 1c
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Please check the examination details below before entering your candidate informationCandidate surname Other names
Centre Number Candidate Number
Pearson Edexcel International GCSE (9–1)
Monday 22 May 2023
Paper
Morning (Time: 2 hours)
reference 4CH1/1C 4SD0/1C
Chemistry
UNIT: 4CH1
Science (Double Award) 4SD0
PAPER: 1C
You must have: Total Marks
Calculator, ruler
Instructions
• Use black ink or ball-point pen.
• IfFillpencil is used for diagrams/sketches/graphs it must be dark (HB or B).
• centre number
in the boxes at the top of this page with your name,
and candidate number.
• Answer all questions.
• Answer the questions in the spaces provided
– there may be more space than you need.
• Show all the steps in any calculations and state the units.
Information
• The total mark for this paper is 110.
• The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
Advice
• Read each question carefully before you start to answer it.
• Write your answers neatly and in good English.
• Try to answer every question.
• your answers if you have time at the end.
Check
Turn over
P71950A
©2023 Pearson Education Ltd.
N:1/1/1/1/
*P71950A0132*
, 2
The Periodic Table of the Elements
1 2 3 4 5 6 7 0
1 4
H He
hydrogen helium
Key 1 2
7 9 relative atomic mass 11 12 14 16 19 20
Li Be atomic symbol B C N O F Ne
lithium beryllium name boron carbon nitrogen oxygen fluorine neon
3 4 atomic (proton) number 5 6 7 8 9 10
23 24 27 28 31 32 35.5 40
Na Mg Al Si P S Cl Ar
sodium magnesium aluminium silicon phosphorus sulfur chlorine argon
11 12 13 14 15 16 17 18
39 40 45 48 51 52 55 56 59 59 63.5 65 70 73 75 79 80 84
K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
potassium calcium scandium titanium vanadium chromium manganese iron cobalt nickel copper zinc gallium germanium arsenic selenium bromine krypton
19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
85 88 89 91 93 96 [98] 101 103 106 108 112 115 119 122 128 127 131
Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe
rubidium strontium yttrium zirconium niobium molybdenum technetium ruthenium rhodium palladium silver cadmium indium tin antimony tellurium iodine xenon
37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54
133 137 139 178 181 184 186 190 192 195 197 201 204 207 209 [209] [210] [222]
Cs Ba La* Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn
caesium barium lanthanum hafnium tantalum tungsten rhenium osmium iridium platinum gold mercury thallium lead bismuth polonium astatine radon
*P71950A0232*
55 56 57 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86
[223] [226] [227] [261] [262] [266] [264] [277] [268] [271] [272]
Fr Ra Ac* Rf Db Sg Bh Hs Mt Ds Rg Elements with atomic numbers 112–116 have been reported but not fully
francium radium actinium rutherfordium dubnium seaborgium bohrium hassium meitnerium darmstadtium roentgenium
authenticated
87 88 89 104 105 106 107 108 109 110 111
* The lanthanoids (atomic numbers 58–71) and the actinoids (atomic numbers 90–103) have been omitted.
The relative atomic masses of copper and chlorine have not been rounded to the nearest whole number.
, BLANK PAGE
3
*P71950A0332* Turn over
, Answer ALL questions.
Some questions must be answered with a cross in a box . If you change your mind about an
answer, put a line through the box and then mark your new answer with a cross .
1 The box gives some methods that are involved in the separation of mixtures.
chromatography crystallisation dissolving evaporating
filtering fractional distillation simple distillation
(a) Use words from the box to identify the method involved in each of
these separations.
(i) Give the best method for obtaining gasoline from crude oil.
(1)
. . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ........................................................................................................................................... .............. .. . . . . . . . . . . . . . . . . . . . .
(ii) Give the best method for separating the dyes in black ink.
(1)
. . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ........................................................................................................................................... .............. .. . . . . . . . . . . . . . . . . . . . .
(iii) Give the best method for obtaining pure water from seawater.
(1)
. . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ........................................................................................................................................... .............. .. . . . . . . . . . . . . . . . . . . . .
4
*P71950A0432*
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