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Help with Higher Chemistry Questions? watch

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    Hi, I'm not sure if this is the right section to post this in, but would anyone be able to help me with these higher chemistry questions from Model Paper 3: Attachment 531139531141531140Attachment 531139531141Name:  image.jpg
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Size:  434.0 KB For Q3, I'm unsure why the answer is B - I have no idea who to get to th answer. For Q7 I'm really confused at why it's also B, as I thought they all contained hydrogen bonding because they all contained hydrogen and either nitrogen, fluorine or oxygen? And for the apparatus question, it would be great if someone could give me some ideas as I never really know what apparatus to use and the marking scheme is very vague for these questions. Thank you
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