Unanswered General Chemistry Questions

TEST 352 IN THE TEST SECTION APPEARING ON SCREEN ...

Q 1 litre of a mixture of He and CO2 diffuses in 10 minutes under similar condition. If 1 litre of Helium diffuses in 5 minutes. Then the composition of Helium and CO2 in the mixture is 1) 70 : 30 2) 35 : 65 3) 50 : 50 4) 25 ...

is there someone in delhi, who has any of the following packages and is willing to sell them??? (especially chem and maths) 1.Brilliants + YG file 2.Resonance email me at :cjs1234@rediffmail.com ...

can someone upload his 11th class chemistry practical work?? ...

http://targetiit4pcm.lefora.com/2010/06/25/nsec-question-paper-2004-05/ (some errors occurred in copy-pasting from original goiit article) SO pls see link below OR http://www.goiit.com/posts/list/community-shelf-nsec-question ...

1)Something that isn't consumed by the reaction (so say A) is dissolved at the same time as something that is consumed by the reaction (B) in a solvent, so that they are in the same phase...what is this reaction an example of ...

are binary IMMISCIBLE systems in jee syllabus? ...

What are the main topics that we must cover in Atomic structure for JEE? This chapter is full of lengthy formulas, which are typical to keep in memory So what sort of topics must be focussed in this chapter? Please suggest... ...

The oxoanions of which element(in its highest oxidation state) shows least tendency to polymerise? A)B B)Cl C)S D)P doubts : on what factors does tendency to polymerize depend on?? ...

does tropyillym carbocation have a dipole moment? i dont think it has , but can resonance nullify it?? ...