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10.2 - SPECIMEN SET C2 Q2

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Part 2.4 is relevant for Section C10. Parts 2.1 to 2.3 are relevant for Section C7.
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2.1) The hydrocarbon C16H34
Balance the equation for cracking C16H34 [1 mark]
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2.2) Describe the differences between cracking and distillation. [2 marks]

2.3)What type of reaction is cracking? [1 mark]
Tick one box.
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2.4) Ethene is used to make poly(ethene).
Poly(ethene) is used to make plastic bags.
Table 1 shows data from a Life Cycle Assessment (LCA) for a plastic bag and a paper bag.
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A company stated: ‘A Life Cycle Assessment shows that using plastic bags has less environmental impact than using paper bags’.
Evaluate this statement. Use your knowledge and the information from Table 1. [6 marks]

​​​​(Total for Question 2 = 10 marks)
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