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  1. Zohaib Sherazi

    history??

    3 for 7 marks and 6-7 for 14 marks.
  2. Zohaib Sherazi

    O/A level subject specific guidance

    O or A level ?
  3. Zohaib Sherazi

    chemistry question

    Cr2O7(2-) + 6 e(-) + 14 H+ -> 2 Cr(3+) + 7H2O oxygen of the dichromate requires acid to form water.
  4. Zohaib Sherazi

    Chemistry (balancing chemical equations)

    Don't bother about these at O level much. Even if a very one comes it'll carry 2 marks. Stick to the strategy you r using.
  5. Zohaib Sherazi

    Chemistry (balancing chemical equations)

    3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 4 H2O + 2 NO
  6. Zohaib Sherazi

    Physics

    2.5 X 0.6 = 1.5 m/s The wave is travelling at 1.5 meters per second. So, it will take 2 seconds to travel 3 meters.
  7. Zohaib Sherazi

    A level video lectures

    I'm in my AS right now. But giving 10 A levels. Will complete 25 O levels till October InshALLah. 11 already done, doing 7 more this session. And for A levels i hope to give at least 13 more by next june InshAllah.
  8. Zohaib Sherazi

    Help please maths 9709/01+04

    Can't say anything about that 15-20 i would say. Btw watch out for accuracy and showing complete working. To avoid losing unnecessary marks.
  9. Zohaib Sherazi

    PHYSICS!!

    Accuracy depends on the instrument being used. So, the diameter of a ball bearing an be more accurately measure by using a micrometer screw gauge than a vernier caliper. Error can be avoided by placing the eye perpendicular to the scale when taking readings and checking for zero errors before...
  10. Zohaib Sherazi

    PHYSICS!!

    You can ask about specific qsts.
  11. Zohaib Sherazi

    chemistry help

  12. Zohaib Sherazi

    O/A level subject specific guidance

    Considering the feedback of many people regarding difficulty in finding the best guidance in minimum time ranging from exam technique to subject content video lectures for the following subjects will be available from June 12th onwards. See the following topics for detail...
  13. Zohaib Sherazi

    helpp ..

    You're doing right. That depends on how well will others do. Try to do the maximum possible.
  14. Zohaib Sherazi

    zohaib sherazi!!!! help

    Tips and explanation of specific things can be given. Complete lectures will be available from june, since time is very short now. Plus lecture at this instant will be time consuming too. Revise from past papers as much is possible and mention here if you have difficulty understanding something...
  15. Zohaib Sherazi

    maths help

    Angle of elevation is the angle between a horizontal line and the line joining the observer's eye to some object above the horizontal line. In this case tan a=opp/adj and a = angle of elevation. Basically in angle of elevation you'll be looking by standing at a surface to the top of another...
  16. Zohaib Sherazi

    chemistry help

    What sort of equation ? and in what situation are you asking ?
  17. Zohaib Sherazi

    HALF-LIFE in physics???

    http://www.s-cool.co.uk/gcse/physics/ra ... flife.html
  18. Zohaib Sherazi

    PHYSICS!!

    The atp ? Its paper 4. Experimental design qsts. Drawing results from experiments, plotting graphs, making further deductions from the results, accurate use of measurement instruments, avoiding errors, suggesting improvements.
  19. Zohaib Sherazi

    O Level Video Lectures

    Thanks :)
  20. Zohaib Sherazi

    chemistry help

    combines hydrogen and oxygen to release a high amount of energy with water only as a waste product. Therefore, is environment friendly.
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