AQA-CH1HP-QP-JAN13 - Centre Number For Examiners Use Candidate Number Surname Other Names Examiners Initials Candidate Signature Question General

AQA-CH1HP-QP-JAN13 - Centre Number For Examiners Use...

This preview shows page 1 - 5 out of 20 pages.

General Certificate of Secondary Education Higher Tier January 2013 Science A CH1HP Unit Chemistry C1 Chemistry Unit Chemistry C1 Monday 14 January 2013 9.00 am to 10.00 am For this paper you must have: a ruler the Chemistry Data Sheet (enclosed). You may use a calculator. Time allowed 1 hour Instructions Use black ink or black ball-point pen. Fill in the boxes at the top of this page. Answer all questions. You must answer the 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. Information The marks for questions are shown in brackets. The maximum mark for this paper is 60. You are expected to use a calculator where appropriate. You are reminded of the need for good English and clear presentation in your answers. Question 3(c) should be answered in continuous prose. In this question you will be marked on your ability to: – use good English – organise information clearly – use specialist vocabulary where appropriate. Advice In all calculations, show clearly how you work out your answer. CH1HP H (Jan13CH1Hp01) J90872 6/6/6/6/6 Centre Number Candidate Number Surname Other Names Candidate Signature For Examiner’s Use Examiner’s Initials Question Mark 1 2 3 4 5 6 7 8 TOTAL
Image of page 1
2 Do not write outside the box (02) G/J90872/Jan13/CH1HP Answer all questions in the spaces provided. 1 The Sun produces helium atoms from hydrogen atoms by nuclear fusion reactions. Hydrogen Helium 1 (a) Describe the differences in the atomic structures of a hydrogen atom and a helium atom. ............................................................................................................................................ ............................................................................................................................................ ............................................................................................................................................ ............................................................................................................................................ ............................................................................................................................................ ............................................................................................................................................ ............................................................................................................................................ ............................................................................................................................................ (3 marks)
Image of page 2
3 Do not write outside the box (03) G/J90872/Jan13/CH1HP Turn over 1 (b) The Sun consists of 73% hydrogen and 25% helium. The rest is other elements. One of the other elements in the Sun is neon. Use the Chemistry Data Sheet to help you to answer these questions. 1 (b) (i) Complete the diagram to show the electronic structure of a neon atom. (1 mark) 1 (b) (ii) Why is neon in the same group of the periodic table as helium? ............................................................................................................................................ ............................................................................................................................................ ............................................................................................................................................ (1 mark) ____ 5 Turn over for the next question
Image of page 3
4 Do not write outside the box (04) G/J90872/Jan13/CH1HP 2 Carbon dioxide is produced when copper carbonate is heated. A student investigated heating copper carbonate. The student used the apparatus to measure how long it took for carbon dioxide to be produced. The student also noted what happened during each minute for three minutes. Limewater 01:30 Copper carbonate 2 (a) The student used changes to the limewater to measure how long it took for carbon dioxide to be produced.
Image of page 4
Image of page 5

You've reached the end of your free preview.

Want to read all 20 pages?

  • Spring '16
  • nour
  • Biology, RNA, Pastpaperquestions AQA Science, crude oil

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

Stuck? We have tutors online 24/7 who can help you get unstuck.
A+ icon
Ask Expert Tutors You can ask You can ask You can ask (will expire )
Answers in as fast as 15 minutes