Help with university choices!

Hey there.So after achieving AAAAB (Maths, Chemistry, Physics, Applied ICT and English respectively) at AS, I have come to the following list of university choices for Chemical EngineeringCL ImperialCambridge ManchesterNow, I'm applying for both ChemEng and Chem with Nuclear Engineering at Imperial (that is why you only see 4 universities). Obviously, out of my 5 choices, 4 are very risky (Manchester being less risky than the rest). Applying for 2 courses at Imperial, would being rejected from one imply being rejected from the other? Also, how much emphasis should I put on Nuclear Engineering on my personal statement? I really fear not getting an offer from one of Imperial or UCL (I'm not even considering Cambridge as a realistic option but I still want to apply, I would absolutely love going there), as I've seen people with astonishing grades apply. I'm predicted 4 A*s or 3 A*s and 1 A at A2, in Maths, Chemistry, Physics and Economics, yet I've been told predicted grades aren't that important, as teachers tend to ignore the student's realistic chance of a grade and award a much higher one.Are my choices too risky? I really cannot picture myself at Manchester.

Hey there.
So after achieving AAAAB (Maths, Chemistry, Physics, Applied ICT and English respectively) at AS, I have come to the following list of university choices for Chemical Engineering:
UCL
Imperial
Cambridge
Manchester
Now, I'm applying for both ChemEng and Chem with Nuclear Engineering at Imperial (that is why you only see 4 universities). Obviously, out of my 5 choices, 4 are very risky (Manchester being less risky than the rest). Applying for 2 courses at Imperial, would being rejected from one imply being rejected from the other? Also, how much emphasis should I put on Nuclear Engineering on my personal statement? I really fear not getting an offer from one of Imperial or UCL (I'm not even considering Cambridge as a realistic option but I still want to apply, I would absolutely love going there), as I've seen people with astonishing grades apply. I'm predicted 4 A*s or 3 A*s and 1 A at A2, in Maths, Chemistry, Physics and Economics, yet I've been told predicted grades aren't that important, as teachers tend to ignore the student's realistic chance of a grade and award a much higher one.
Are my choices too risky? I really cannot picture myself at Manchester.

Have you contacted Imperial and checked what their response would be to the 2 course application - do they have different entry requirements

They are exactly the same Plus, I'm taking the subjects they require.