Chemistry, Physics, Biology: Post your doubts here!

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For all those students taking Edexcel IAL feel free to post your doubts and queries for the science subjects in here!
Tho i might be the last one here to help but i am hopeful other members will:)
Happy studying and Good luck for the exams!
 
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o i already did igcse chem and i am going to to edexcel as chemistry
any tips !!!?
and some websites....for notes and also videos that help explain some topics

can u guys summerize how it is like to do as chem edexcel
thanks a lot!!!!!!!!!!!!!1
 
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933
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2,267
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o i already did igcse chem and i am going to to edexcel as chemistry
any tips !!!?
and some websites....for notes and also videos that help explain some topics

can u guys summerize how it is like to do as chem edexcel
thanks a lot!!!!!!!!!!!!!1
Same help required here ^
Btw when exactly will u be appearing for the exams
 
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Can LiAlH4 reduce both C=O and C=C? Why or why not? Can you please explain? Thank you in advance.
 
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its a strong unselective reducing agent for polar double only
bonds in C=C will not get attacked by AlH4- as its not polar
Thank you for your reply. Firstly, why LiAlH4 behaves like this? Secondly, what's the difference between its mode of action and that of NaBH4?
 
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