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  1. Y

    Chemistry 42....how did it go?..expected GT

    Do you guys remember about dot and cross diagram of CO. Is it double bond or triple bond? I draw a double bond.:(
  2. Y

    A2 Biology | Post your doubts here

    There are many ways to find the rate of reaction. one method is by keeping one variable i.e. volume constant. rate is proportional to 1/time taken to collect the volume. Am I answering ur question?
  3. Y

    A2 Biology | Post your doubts here

    do a monohybrid cross. you'll find it from the ratio
  4. Y

    A2 Biology | Post your doubts here

    It's the same. 0.05 act as decider for both chi square test and t-test. if probability is greater than 0.05 it means null hypothesis is correct.
  5. Y

    What grades should I expect in chemistry?

    Thanks ...
  6. Y

    What grades should I expect in chemistry?

    in my statement of results, it's written 87%. you don't get it?
  7. Y

    What grades should I expect in chemistry?

    how about me dude? I got 87% on whole AS module, 20 in p5, and 85 in p4 still I stand a chance for an A*?
  8. Y

    Chemistry 42....how did it go?..expected GT

    What's the structure of isomer D ??
  9. Y

    Chemistry 42....how did it go?..expected GT

    Anyone willing to discuss this paper?
  10. Y

    Chemistry 42....how did it go?..expected GT

    Gt might be high, due to many repetition quest..
  11. Y

    Chemistry 42....how did it go?..expected GT

    Somebody got tricked ..
  12. Y

    Chemistry 42....how did it go?..expected GT

    I found the paper was not difficult but tricky, esp the polymer quest, and entalphy. Some repetition in section b
  13. Y

    Chemistry P4| A2 only

    also for chlorine
  14. Y

    Chemistry P4| A2 only

    somebody help. how to draw skeletal formula of amide and carboxylic acid. do we need to expand N---H bond in skeletal formula?
  15. Y

    A'level Maths GRADE HELP!

    actually what is the requirements for an A* ??
  16. Y

    Chemistry paper 52 discussion

    My ans is. since the graph of 1/v vs p is curve so gradient varied. And it dont verified the boyle's law
  17. Y

    maths p32 answers

    0 < x < 1/2 pie so only 2 stationary points
  18. Y

    maths p32 answers

    Q1. 2.30 Q2. 1.32 rad Q3. 1-x+(1/2)x^2 Q4. 201 and 330 something Q5. y=-ln((3/2)-(1/2)e^2x) Q6. two stationary points ; max point Q7. -1/2 + i 1/2 Q8. --- Q9. y=x-1 ; pie/4(e^2-1) Q10. distance =6 correct me if im wrong (y)(y)
  19. Y

    biology paper 12 .... how was it ?

    btw quest about the centromere detach from spindle I answer C do you guys get the same ans?
  20. Y

    biology paper 12 .... how was it ?

    will nitrogen fixing bacteria increases in poor drained soil? I messed up with cristernae and molecular formula quest.. :(
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