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  1. Suchal Riaz

    @_@

    @_@
  2. Suchal Riaz

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  3. Suchal Riaz

    Chemistry: Post your doubts here!

    among all salts in our syllabus the only insoluble salts of Barium are Barium Carbonate, BaSO4 and BaS03 we will first add HCl to remove carbonate and then add BaCl. if we get ppt then we add dilute acid in excess to make sure it is SO4 not SO3. BaSO4 is insoluble in acidic solution.
  4. Suchal Riaz

    i am not free now. when i will be free i will contact you.

    i am not free now. when i will be free i will contact you.
  5. Suchal Riaz

    maybe i did fight anyone over XPC at that time but the only real fight i remember was with...

    maybe i did fight anyone over XPC at that time but the only real fight i remember was with multixamza01. muhammadali233 knows that.
  6. Suchal Riaz

    Physics: Post your doubts here!

    mahabaloch s10 Q4(b)(ii) each small square = 0.02mm * 2N = 0.04 mJ count the small squares: till 50 N there are 25*5=125 blocks from 50-60 N there are 5*4=20 blocks from 60-74 there are almost 15 blocks total = 160 blocks 160 * 0.04 = 6.4 mJ i know it is very tedious but this is how it has to...
  7. Suchal Riaz

    Physics: Post your doubts here!

    mahabaloch s10_22 Q4(c) at lowest frequency the wavelength = 4 L speed = F λ so F=speed/λ F=330/4L = 330/4(0.45m)=183Hz Q5(b)(ii) no calculations are required but it is visible from graph that the strain after the limit of proportionality is 3.5 so the same will be final strain after unloading...
  8. Suchal Riaz

    Physics: Post your doubts here!

    mahabaloch w08 q7(b) the combined resistance of 5000 and thermister will decrease because at high temperature the resistance of thermistor decrease. the p.d across the 5000 and thermistor will decrease. by potential divider formula, the p.d across 2000 will increase. volt meter shows the p.d...
  9. Suchal Riaz

    Physics: Post your doubts here!

    mahabaloch w08 Q3(b) the 12 and 2.5 N blocks exert clockwise moment. sack exerts clockwise moment. for them to be in equilibrium the sum of anticlockwise moment = sum of clockwise moment 12N * 84 cm + 2.5 N * 72 cm = W * 4.8 cm 4.8W=1188Ncm W=1188/4.8=247.5N the balance will be imprecise...
  10. Suchal Riaz

    Physics: Post your doubts here!

    did i do the winter 2008 papers?
  11. Suchal Riaz

    i guess u are talking about MCQs after the exams?

    i guess u are talking about MCQs after the exams?
  12. Suchal Riaz

    Practical | GUIDE BOOK(free Download) | POST YOUR DOUBTS HERE.

    are you checking on the link on this page or the link of google drive. the google drive link is showing the progress in realtime. so it has errors.
  13. Suchal Riaz

    Chemistry: Post your doubts here!

    no problem. let's consider two cases in detail:
  14. Suchal Riaz

    i was khatarnak because i told every guy on her profile that she is motti. and dadi was really...

    i was khatarnak because i told every guy on her profile that she is motti. and dadi was really mad at me.
  15. Suchal Riaz

    Practical | GUIDE BOOK(free Download) | POST YOUR DOUBTS HERE.

    A major update is coming to the bookelt inshallah tonight. the current version doesn't have the GUIDE but only advices/tips and must-know things. the complete guide of table making and graphs is coming soon. It will have direct quotes from many mark schemes and samples of many different past...
  16. Suchal Riaz

    Practical | GUIDE BOOK(free Download) | POST YOUR DOUBTS HERE.

    I will work on physics booklet right after the Chemistry practical.
  17. Suchal Riaz

    Practical | GUIDE BOOK(free Download) | POST YOUR DOUBTS HERE.

    please read the description. I don't take bio in A level and didn't take bio in O level.
  18. Suchal Riaz

    :P

    :P
  19. Suchal Riaz

    i am ready now.

    i am ready now.
  20. Suchal Riaz

    SOLVED HARDEST questions for QUICK last day REVISION

    are you talking to me? O.o if yes then thank you :P :)
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