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  1. danial 234

    Maths, Addmaths and Statistics: Post your doubts here!

    do ur working with 4 significant figures. and write ur ans with 3 sig fig. otherwise ur answer would be rejected
  2. danial 234

    Post your Physics queries here ...

    can anyone explain to me the answer of 4b of M/J 11 /22
  3. danial 234

    Post your Physics queries here ...

    its B
  4. danial 234

    Chemistry P1 and P2 today

    i think that ques asked abt electron movement regarding heat transfer not about current
  5. danial 234

    Chemistry P1 and P2 today

    so i can hope 4 it. by the way, how was ur urdu paper
  6. danial 234

    Chemistry P1 and P2 today

    160 marks in which subject
  7. danial 234

    Chemistry P1 and P2 today

    yes
  8. danial 234

    Chemistry P1 and P2 today

    well, do u know the percentage needed to get distinction.
  9. danial 234

    Chemistry P1 and P2 today

    how many answers are wrong of you
  10. danial 234

    Chemistry P1 and P2 today

    i think u r right
  11. danial 234

    Chemistry P1 and P2 today

    b by the way what was the last mcq
  12. danial 234

    Chemistry P1 and P2 today

    because we dont know the proportion of CaCO3 and Mg(OH)2. and not all the HCl reacted withCaCO3 some reacted with Mg(OH)2
  13. danial 234

    Chemistry P1 and P2 today

    by decreasing pressure you wouldshift the equilibrium while question asked to increas Cl2 in equilibrium
  14. danial 234

    Chemistry P1 and P2 today

    do u remember the equation or the reactants
  15. danial 234

    Chemistry P1 and P2 today

    i m not sure abt ur answer
  16. danial 234

    Chemistry P1 and P2 today

    if ur reagents were correct then u expect to get ur ans correct
  17. danial 234

    Chemistry P1 and P2 today

    ethanol manufacture by hydration. conditions were 300 temp 60 atm H3PO4 as catalyst. reagents were ethene and steam
  18. danial 234

    Chemistry P1 and P2 today

    omg i forgot that the acid had 4 carbon atoms
  19. danial 234

    Chemistry P1 and P2 today

    what was A
  20. danial 234

    Chemistry P1 and P2 today

    vol of CO2 could be taken frm graph . convert it into moles . use the equation to find mass of CaCO3
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