b i What is the purpose of gas chromatography 1 mark 6 b ii What information do

B i what is the purpose of gas chromatography 1 mark

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6 (b) (i)What is the purpose of gas chromatography? Suggest a pH value for sulfuric acid solution. pH = ................................ (1 mark) 6 (c) (ii) Name the ion which makes sulfuric acid solution acidic. ............................................................................................................................................ (1 mark) 6 (d) The atmosphere of Venus contains the isotopes 2 1 H and 1 1 H Describe the similarities and the differences in the isotopes 2 1 H and 1 1 H You should refer to the sub-atomic particles in each isotope. ............................................................................................................................................ ............................................................................................................................................ ............................................................................................................................................ ............................................................................................................................................ ............................................................................................................................................ ............................................................................................................................................ ............................................................................................................................................ ............................................................................................................................................ (3 marks) ____ 10 END OF QUESTIONS
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16 G/J92917/Jun13/CH2HP Do not write outside the box (16) There are no questions printed on this page DO NOT WRITE ON THIS PAGE ANSWER IN THE SPACES PROVIDED Copyright © 2013 AQA and its licensors. All rights reserved. ACKNOWLEDGEMENT OF COPYRIGHT-HOLDERS AND PUBLISHERS Question 1: Photograph © Thinkstock Question 5: Photograph © Thinkstock Question 6: Photograph © Thinkstock
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