Mark Scheme (Results) June 2010 - Edexcel
Mark Scheme (Results) June 2010
GCE
GCE Chemistry (6CH02/01)
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Summer 2010
Publications Code US023632
All the material in this publication is copyright ? Edexcel Ltd 2010
6CH02_01 1006
Section A (multiple choice)
Question Number 1(a)
Correct Answer D
Question Number 1(b)
Correct Answer A
Question Number 1(c)
Correct Answer B
Question Number 2
Correct Answer D
Question Number 3
Correct Answer C
Question Number 4
Correct Answer C
Question Number 5
Correct Answer B
Question Number 6
Correct Answer D
Question Number 7
Correct Answer D
Question Number 8
Correct Answer B
Question Number 9
Correct Answer C
Question Number 10
Correct Answer A
Question Number 11
Correct Answer A
Mark 1 Mark 1 Mark 1 Mark 1 Mark 1 Mark 1 Mark 1 Mark 1 Mark 1 Mark 1 Mark 1 Mark 1 Mark 1
6CH02_01 1006
Question Number 12
Question Number 13
Question Number 14
Question Number 15
Question Number 16
Question Number 17
Question Number 18
Correct Answer A Correct Answer D Correct Answer D Correct Answer B Correct Answer A Correct Answer A Correct Answer B
Mark 1 Mark 1 Mark 1 Mark 1 Mark 1 Mark 1 Mark 1
6CH02_01 1006
Section B
Question Number
Acceptable Answers
19 (a)
Mark independently
From: colourless (1) To: pink / (pale) red (1)
If colour change wrong way round max (1)
Reject
Mark
From: clear 2 To: magenta / purple / cerise
Question Number
19 (b)
Acceptable Answers
Reject
Mark
(Titres 2, 3 and 4) are concordant / within 0.2 (cm3) / within 0.1 (cm3) / consistent
Just "very
1
similar" /
OR
within 0.05 /
Titre 1 is rough / trial / a rangefinder / too far within 0.5
out / overshot
Titre 1 "very
ALLOW Titre 1 is an outlier / is anomalous
different"
Just "not accurate"
"Titration 1 is a control experiment"
Question Number
19 (c)
Acceptable Answers 28.00 (cm3) / 28.0 (cm3) / 28 (cm3)
Reject
Mark
28.14 (cm3) / 1 28.1 (cm3) / 28.13 (cm3)
6CH02_01 1006
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