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  1. H

    chemistry mcq on bond angles help needed

    i never saw any hybridisation question in mcqs though its nt dat hard
  2. H

    Chemistry MCQ thread...

    hmm..i agree with that flammable THING Abt b....thnxx....but forming one Br radical is nt ryt i guess cos both form one Br free radical..... this is wat chemguide says Halogenoalkanes in which all of the hydrogen atoms in the alkane have been replaced by halogen atoms are difficult to burn -...
  3. H

    Chemistry Paper 1 Doubts!

    17...its D ..phosphoric acid never acts as OXIDISING AGENT....WHEN sulfuric acid only liberates HYDROGEN HALIDE FROM corresponding halide salts....it is acting as an acid..bt when...it liberates iodine or bromine it is acting as an oxidising agent...
  4. H

    Chemistry Paper 1 Doubts!

    helium size is also smaller than that of DIATOMIC H2gas....may be u selected hydrogen for this reason
  5. H

    Chemistry MCQ thread...

    i also dint understand that y they are used for fire extinguishing..it was written in book something abt Br radicals quenching the flame......wats all that
  6. H

    Chemistry MCQ thread...

  7. H

    Chemistry MCQ thread...

    i dont get abt cromium
  8. H

    group 7 tests table for chem mcqs

    that from george facer book????
  9. H

    Chemistry MCQ thread...

    In which pair do both atoms have one electron only in an s orbital in their ground states? A Ca, Sc B Cu, Be C H, He D Li, Cr
  10. H

    Chemistry MCQ thread...

  11. H

    chemistry mcq on bond angles help needed

    1=109.5 2=120 3=104.5
  12. H

    My Mechanics P42 went awful. any idea about the threshold?

    Re: My Mechanics P42 went awful. any idea about the threshol u mean M1.....man it was damn easy.....
  13. H

    how many marks on avg u get CHEM mCqS

    :unknown: :unknown: :unknown: :unknown: :unknown:
  14. H

    Please help me in this chemistry mcq plz

    no cos....initial moles of ester and water were 0
  15. H

    Please help me in this chemistry mcq plz

    its a repeat q.....draw up an ICE table ETHANOL ACID ESTER WATER I 1 1 0 0 C -X -X +X +X E 1-X 1-X X X Kc=x^2/(1-x)^2 =4.......solve it now
  16. H

    how many marks on avg u get CHEM mCqS

    ACTUALLY....I HV sovled once b4 exams.....bt still i do 3-4 mistakes per paper.....
  17. H

    how many marks on avg u get CHEM mCqS

    ??...ME 36-38......
  18. H

    Physics p22

    on first day most were saying it was easy....very easy paper.....now seeing all this discussion ...i guess it wasway more tough than 2010 paper.....that ppr only had a tough projectile problem....GT will be less than 40....dats for sure
  19. H

    chem mcq...

    39 Which compounds are able to react with concentrated sulphuric acid to give a product that will decolourise acidic potassium manganate(VII)? 1 (CH3)3COH 2 CH3CH2CH(OH)CH3 3 CH3CO2H cn any body tell me wats reaction of conc. sulfuric acid with carboxylic acid
  20. H

    Final grade

    B.....
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