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  1. Anuja L. Nilaweera

    Biology; Chemistry; Physics: Post your doubts here!

    Me too got out of grade 8, and now onwards I am going to grade 9
  2. Anuja L. Nilaweera

    Physics, Chemistry and Biology: Post your doubts here!

    In whats country is she/he?
  3. Anuja L. Nilaweera

    Physics, Chemistry and Biology: Post your doubts here!

    Thank you.................................. But this question was not in an IGSCE book, it wad in a GCE book.
  4. Anuja L. Nilaweera

    Physics, Chemistry and Biology: Post your doubts here!

    Chemistry problem once again................................ State qualitatively the effect of molecular mass on the rate of diffusion and explain the dependence of rate of diffusion on temperature.
  5. Anuja L. Nilaweera

    Physics, Chemistry and Biology: Post your doubts here!

    Another Chemistry problem........................ Explain everyday effects of diffusion in terms of particles, e.g. the spread of perfumes and cooking aromas; tea and coffee grains in water.
  6. Anuja L. Nilaweera

    Physics, Chemistry and Biology: Post your doubts here!

    Chemistry problem............................ Describe and explain evidence for the movement of particles in liquids and gases. (the treatment of Brownian is not required)
  7. Anuja L. Nilaweera

    Biology; Chemistry; Physics: Post your doubts here!

    Thank you so much!
  8. Anuja L. Nilaweera

    Biology; Chemistry; Physics: Post your doubts here!

    Whats is ATPs?
  9. Anuja L. Nilaweera

    Biology; Chemistry; Physics: Post your doubts here!

    So what is the fluid that is in kidneys, which clears the urine?
  10. Anuja L. Nilaweera

    Biology; Chemistry; Physics: Post your doubts here!

    Give me an example then I can explain it to you. ;)
  11. Anuja L. Nilaweera

    Biology; Chemistry; Physics: Post your doubts here!

    Please someone tell me, How can we balance an equation, you'll take an example and explain me? Please..........................
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