INTERNATIONAL ADVANCED LEVEL CHEMISTRY ECONOMICS EDEXCEL ...

[Pages:232]INTERNATIONAL ADVANCED LEVEL

CECHOENMOIMSITCRSY EDEXCEL INTERNATIONAL GCSE

SAMPLE ASSESSMENT MATERIALS SPECIFICATION

Edexcel International GCSE in Economics (9-1) (4ET0)

First examination June Pearson Edexcel International Advanced Subsidiary in Chemistry (XCH11) Pearson Edexcel International Advanced Level in Chemistry (YCH11) First teaching September 2018 First examination from January 2019 First certification from August 2019 (International Advanced Subsidiary) and August 2020 (International Advanced Level)

Edexcel, BTEC and LCCI qualifications Edexcel, BTEC and LCCI qualifications are awarded by Pearson, the UK's largest awarding body offering academic and vocational qualifications that are globally recognised and benchmarked. For further information, please visit our qualification website at qualifications.. Alternatively, you can get in touch with us using the details on our contact us page at qualifications.contactus About Pearson Pearson is the world's leading learning company, with 35,000 employees in more than 70 countries working to help people of all ages to make measurable progress in their lives through learning. We put the learner at the centre of everything we do, because wherever learning flourishes, so do people. Find out more about how we can help you and your learners at qualifications.

References to third party material made in this sample assessment materials are made in good faith. Pearson does not endorse, approve or accept responsibility for the content of materials, which may be subject to change, or any opinions expressed therein. (Material may include textbooks, journals, magazines and other publications and websites.) All information in this document is correct at time of publication.

ISBN 978 1 4469 4657 2 All the material in this publication is copyright ? Pearson Education Limited 2017

Contents

Introduction

1

General marking guidance

3

Unit 1 ? Question paper

5

Unit 1 ? Mark scheme

29

Unit 2 ? Question paper

47

Unit 2 ? Mark scheme

73

Unit 3 ? Question paper

89

Unit 3 ? Mark scheme

105

Unit 4 ? Question paper

117

Unit 4 ? Mark scheme

145

Unit 5 ? Question paper

163

Unit 5 ? Mark scheme

189

Unit 6 ? Question paper

207

Unit 6 ? Mark scheme

219

Introduction

The Pearson Edexcel International Advanced Subsidiary in Chemistry and the Pearson Edexcel International Advanced Level in Chemistry are part of a suite of International Advanced Level qualifications offered by Pearson.

These sample assessment materials have been developed to support these qualifications and will be used as the benchmark to develop the assessment students will take.

Pearson Edexcel International Advanced Subsidiary/Advanced Level in Chemistry

1

Sample Assessment Materials ? Issue 1 ? September 2017 ? Pearson Education Limited 2017

2

Pearson Edexcel International Advanced Subsidiary/Advanced Level in Chemistry

Sample Assessment Materials ? Issue 1 ? September 2017 ? Pearson Education Limited 2017

General marking guidance

All candidates must receive the same treatment. Examiners must mark the last candidate in exactly the same way as they mark the first.

Mark schemes should be applied positively. Candidates must be rewarded for what they have shown they can do rather than be penalised for omissions.

Examiners should mark according to the mark scheme ? not according to their perception of where the grade boundaries may lie.

All the marks on the mark scheme are designed to be awarded. Examiners should always award full marks if deserved, i.e. if the answer matches the mark scheme. Examiners should also be prepared to award zero marks if the candidate's response is not worthy of credit according to the mark scheme.

Where some judgement is required, mark schemes will provide the principles by which marks will be awarded and exemplification/indicative content will not be exhaustive. However different examples of responses will be provided at standardisation.

When examiners are in doubt regarding the application of the mark scheme to a candidate's response, a senior examiner must be consulted before a mark is given.

Crossed-out work should be marked unless the candidate has replaced it with an alternative response.

Using the Mark Scheme

Examiners should look for qualities to reward rather than faults to penalise. This does NOT mean giving credit for incorrect or inadequate answers, but it does mean allowing candidates to be rewarded for answers showing correct application of principles and knowledge. Examiners should therefore read carefully and consider every response: even if it is not what is expected it may be worthy of credit.

The mark scheme gives examiners:

an idea of the types of response expected

how individual marks are to be awarded

the total mark for each question

examples of responses that should NOT receive credit.

/ means that the responses are alternatives and either answer should receive full credit.

( ) means that a phrase/word is not essential for the award of the mark, but helps the examiner to get the sense of the expected answer.

Phrases/words in bold indicate that the meaning of the phrase or the actual word is essential to the answer.

ecf/TE/cq (error carried forward) means that a wrong answer given in an earlier part of a question is used correctly in answer to a later part of the same question.

Candidates must make their meaning clear to the examiner to gain the mark. Make sure that the answer makes sense. Do not give credit for correct words/phrases which are put together in a meaningless manner. Answers must be in the correct context.

Pearson Edexcel International Advanced Subsidiary/Advanced Level in Chemistry

3

Sample Assessment Materials ? Issue 1 ? September 2017 ? Pearson Education Limited 2017

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Pearson Edexcel International Advanced Subsidiary/Advanced Level in Chemistry

Sample Assessment Materials ? Issue 1 ? September 2017 ? Pearson Education Limited 2017

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